Home / 15,332.83-21,157.42-8,873.58

Finding the Fourth Proportional to 15,332.83, 21,157.42 and 8,873.58

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Solution

The fourth proportional to 15,332.83, 21,157.42 and 8,873.58 is: 12,244.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332.83 : 21,157.42 = 8,873.58 : x
  2. Step 2: Convert to fraction form
    15,332.83/21,157.42 = 8,873.58/x
  3. Step 3: Cross multiply
    15,332.83x = 21,157.42 × 8,873.58
  4. Step 4: Simplify right side
    15,332.83x = 187,742,058.96
  5. Step 5: Solve for x
    x = 187,742,058.96/15,332.83
  6. Step 6: Final answer
    x = 12,244.45

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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.