Home / 15,358.98-21,207.60-10,327.62

Finding the Fourth Proportional to 15,358.98, 21,207.60 and 10,327.62

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Solution

The fourth proportional to 15,358.98, 21,207.60 and 10,327.62 is: 14,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,358.98 : 21,207.60 = 10,327.62 : x
  2. Step 2: Convert to fraction form
    15,358.98/21,207.60 = 10,327.62/x
  3. Step 3: Cross multiply
    15,358.98x = 21,207.60 × 10,327.62
  4. Step 4: Simplify right side
    15,358.98x = 219,024,033.91
  5. Step 5: Solve for x
    x = 219,024,033.91/15,358.98
  6. Step 6: Final answer
    x = 14,260.32

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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.