Home / 15,267.90-21,070.49-9,298.61

Finding the Fourth Proportional to 15,267.90, 21,070.49 and 9,298.61

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Solution

The fourth proportional to 15,267.90, 21,070.49 and 9,298.61 is: 12,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,267.90 : 21,070.49 = 9,298.61 : x
  2. Step 2: Convert to fraction form
    15,267.90/21,070.49 = 9,298.61/x
  3. Step 3: Cross multiply
    15,267.90x = 21,070.49 × 9,298.61
  4. Step 4: Simplify right side
    15,267.90x = 195,926,269.02
  5. Step 5: Solve for x
    x = 195,926,269.02/15,267.90
  6. Step 6: Final answer
    x = 12,832.56

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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.