Home / 10,307.10-14,229.63-7,125.06

Finding the Fourth Proportional to 10,307.10, 14,229.63 and 7,125.06

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Solution

The fourth proportional to 10,307.10, 14,229.63 and 7,125.06 is: 9,836.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.10 : 14,229.63 = 7,125.06 : x
  2. Step 2: Convert to fraction form
    10,307.10/14,229.63 = 7,125.06/x
  3. Step 3: Cross multiply
    10,307.10x = 14,229.63 × 7,125.06
  4. Step 4: Simplify right side
    10,307.10x = 101,386,967.53
  5. Step 5: Solve for x
    x = 101,386,967.53/10,307.10
  6. Step 6: Final answer
    x = 9,836.61

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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.