Home / 16,478.42-24,705.88-7,708.55

Finding the Fourth Proportional to 16,478.42, 24,705.88 and 7,708.55

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Solution

The fourth proportional to 16,478.42, 24,705.88 and 7,708.55 is: 11,557.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.42 : 24,705.88 = 7,708.55 : x
  2. Step 2: Convert to fraction form
    16,478.42/24,705.88 = 7,708.55/x
  3. Step 3: Cross multiply
    16,478.42x = 24,705.88 × 7,708.55
  4. Step 4: Simplify right side
    16,478.42x = 190,446,368.47
  5. Step 5: Solve for x
    x = 190,446,368.47/16,478.42
  6. Step 6: Final answer
    x = 11,557.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.