Home / 9,328.06-12,871.71-5,349.07

Finding the Fourth Proportional to 9,328.06, 12,871.71 and 5,349.07

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Solution

The fourth proportional to 9,328.06, 12,871.71 and 5,349.07 is: 7,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.06 : 12,871.71 = 5,349.07 : x
  2. Step 2: Convert to fraction form
    9,328.06/12,871.71 = 5,349.07/x
  3. Step 3: Cross multiply
    9,328.06x = 12,871.71 × 5,349.07
  4. Step 4: Simplify right side
    9,328.06x = 68,851,677.81
  5. Step 5: Solve for x
    x = 68,851,677.81/9,328.06
  6. Step 6: Final answer
    x = 7,381.14

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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.