Home / 10,210.62-14,098.95-6,440.07

Finding the Fourth Proportional to 10,210.62, 14,098.95 and 6,440.07

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Solution

The fourth proportional to 10,210.62, 14,098.95 and 6,440.07 is: 8,892.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.62 : 14,098.95 = 6,440.07 : x
  2. Step 2: Convert to fraction form
    10,210.62/14,098.95 = 6,440.07/x
  3. Step 3: Cross multiply
    10,210.62x = 14,098.95 × 6,440.07
  4. Step 4: Simplify right side
    10,210.62x = 90,798,224.93
  5. Step 5: Solve for x
    x = 90,798,224.93/10,210.62
  6. Step 6: Final answer
    x = 8,892.53

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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.