Home / 10,242.18-15,351.12-4,386.42

Finding the Fourth Proportional to 10,242.18, 15,351.12 and 4,386.42

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Solution

The fourth proportional to 10,242.18, 15,351.12 and 4,386.42 is: 6,574.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.18 : 15,351.12 = 4,386.42 : x
  2. Step 2: Convert to fraction form
    10,242.18/15,351.12 = 4,386.42/x
  3. Step 3: Cross multiply
    10,242.18x = 15,351.12 × 4,386.42
  4. Step 4: Simplify right side
    10,242.18x = 67,336,459.79
  5. Step 5: Solve for x
    x = 67,336,459.79/10,242.18
  6. Step 6: Final answer
    x = 6,574.43

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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.