Home / 15,326.38-22,985.42-4,230.40

Finding the Fourth Proportional to 15,326.38, 22,985.42 and 4,230.40

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Solution

The fourth proportional to 15,326.38, 22,985.42 and 4,230.40 is: 6,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326.38 : 22,985.42 = 4,230.40 : x
  2. Step 2: Convert to fraction form
    15,326.38/22,985.42 = 4,230.40/x
  3. Step 3: Cross multiply
    15,326.38x = 22,985.42 × 4,230.40
  4. Step 4: Simplify right side
    15,326.38x = 97,237,520.77
  5. Step 5: Solve for x
    x = 97,237,520.77/15,326.38
  6. Step 6: Final answer
    x = 6,344.45

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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.