Home / 12,277.66-18,421.96-6,432.91

Finding the Fourth Proportional to 12,277.66, 18,421.96 and 6,432.91

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Solution

The fourth proportional to 12,277.66, 18,421.96 and 6,432.91 is: 9,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.66 : 18,421.96 = 6,432.91 : x
  2. Step 2: Convert to fraction form
    12,277.66/18,421.96 = 6,432.91/x
  3. Step 3: Cross multiply
    12,277.66x = 18,421.96 × 6,432.91
  4. Step 4: Simplify right side
    12,277.66x = 118,506,810.70
  5. Step 5: Solve for x
    x = 118,506,810.70/12,277.66
  6. Step 6: Final answer
    x = 9,652.23

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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.