Home / 15,788.64-23,679.27-6,426.12

Finding the Fourth Proportional to 15,788.64, 23,679.27 and 6,426.12

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Solution

The fourth proportional to 15,788.64, 23,679.27 and 6,426.12 is: 9,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.64 : 23,679.27 = 6,426.12 : x
  2. Step 2: Convert to fraction form
    15,788.64/23,679.27 = 6,426.12/x
  3. Step 3: Cross multiply
    15,788.64x = 23,679.27 × 6,426.12
  4. Step 4: Simplify right side
    15,788.64x = 152,165,830.53
  5. Step 5: Solve for x
    x = 152,165,830.53/15,788.64
  6. Step 6: Final answer
    x = 9,637.68

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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.