Home / 10,830.19-16,251.77-9,948.91

Finding the Fourth Proportional to 10,830.19, 16,251.77 and 9,948.91

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Solution

The fourth proportional to 10,830.19, 16,251.77 and 9,948.91 is: 14,929.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.19 : 16,251.77 = 9,948.91 : x
  2. Step 2: Convert to fraction form
    10,830.19/16,251.77 = 9,948.91/x
  3. Step 3: Cross multiply
    10,830.19x = 16,251.77 × 9,948.91
  4. Step 4: Simplify right side
    10,830.19x = 161,687,347.33
  5. Step 5: Solve for x
    x = 161,687,347.33/10,830.19
  6. Step 6: Final answer
    x = 14,929.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.