Home / 15,670.68-21,626.10-8,597.31

Finding the Fourth Proportional to 15,670.68, 21,626.10 and 8,597.31

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Solution

The fourth proportional to 15,670.68, 21,626.10 and 8,597.31 is: 11,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.68 : 21,626.10 = 8,597.31 : x
  2. Step 2: Convert to fraction form
    15,670.68/21,626.10 = 8,597.31/x
  3. Step 3: Cross multiply
    15,670.68x = 21,626.10 × 8,597.31
  4. Step 4: Simplify right side
    15,670.68x = 185,926,285.79
  5. Step 5: Solve for x
    x = 185,926,285.79/15,670.68
  6. Step 6: Final answer
    x = 11,864.60

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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.