Home / 10,929.04-16,390.08-3,531.75

Finding the Fourth Proportional to 10,929.04, 16,390.08 and 3,531.75

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Solution

The fourth proportional to 10,929.04, 16,390.08 and 3,531.75 is: 5,296.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.04 : 16,390.08 = 3,531.75 : x
  2. Step 2: Convert to fraction form
    10,929.04/16,390.08 = 3,531.75/x
  3. Step 3: Cross multiply
    10,929.04x = 16,390.08 × 3,531.75
  4. Step 4: Simplify right side
    10,929.04x = 57,885,603.58
  5. Step 5: Solve for x
    x = 57,885,603.58/10,929.04
  6. Step 6: Final answer
    x = 5,296.50

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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.