Home / 15,626.01-21,565.31-8,913.75

Finding the Fourth Proportional to 15,626.01, 21,565.31 and 8,913.75

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Solution

The fourth proportional to 15,626.01, 21,565.31 and 8,913.75 is: 12,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,626.01 : 21,565.31 = 8,913.75 : x
  2. Step 2: Convert to fraction form
    15,626.01/21,565.31 = 8,913.75/x
  3. Step 3: Cross multiply
    15,626.01x = 21,565.31 × 8,913.75
  4. Step 4: Simplify right side
    15,626.01x = 192,227,656.57
  5. Step 5: Solve for x
    x = 192,227,656.57/15,626.01
  6. Step 6: Final answer
    x = 12,301.77

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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.