Home / 10,351.16-14,284.91-7,331.69

Finding the Fourth Proportional to 10,351.16, 14,284.91 and 7,331.69

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Solution

The fourth proportional to 10,351.16, 14,284.91 and 7,331.69 is: 10,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.16 : 14,284.91 = 7,331.69 : x
  2. Step 2: Convert to fraction form
    10,351.16/14,284.91 = 7,331.69/x
  3. Step 3: Cross multiply
    10,351.16x = 14,284.91 × 7,331.69
  4. Step 4: Simplify right side
    10,351.16x = 104,732,531.80
  5. Step 5: Solve for x
    x = 104,732,531.80/10,351.16
  6. Step 6: Final answer
    x = 10,117.95

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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.