Home / 15,550.04-21,442.12-10,505.52

Finding the Fourth Proportional to 15,550.04, 21,442.12 and 10,505.52

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Solution

The fourth proportional to 15,550.04, 21,442.12 and 10,505.52 is: 14,486.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.04 : 21,442.12 = 10,505.52 : x
  2. Step 2: Convert to fraction form
    15,550.04/21,442.12 = 10,505.52/x
  3. Step 3: Cross multiply
    15,550.04x = 21,442.12 × 10,505.52
  4. Step 4: Simplify right side
    15,550.04x = 225,260,620.50
  5. Step 5: Solve for x
    x = 225,260,620.50/15,550.04
  6. Step 6: Final answer
    x = 14,486.18

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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.