Home / 10,471.51-14,440.71-6,880.11

Finding the Fourth Proportional to 10,471.51, 14,440.71 and 6,880.11

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Solution

The fourth proportional to 10,471.51, 14,440.71 and 6,880.11 is: 9,487.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471.51 : 14,440.71 = 6,880.11 : x
  2. Step 2: Convert to fraction form
    10,471.51/14,440.71 = 6,880.11/x
  3. Step 3: Cross multiply
    10,471.51x = 14,440.71 × 6,880.11
  4. Step 4: Simplify right side
    10,471.51x = 99,353,601.07
  5. Step 5: Solve for x
    x = 99,353,601.07/10,471.51
  6. Step 6: Final answer
    x = 9,487.99

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.