Home / 10,230.30-15,347.07-4,386.96

Finding the Fourth Proportional to 10,230.30, 15,347.07 and 4,386.96

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Solution

The fourth proportional to 10,230.30, 15,347.07 and 4,386.96 is: 6,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.30 : 15,347.07 = 4,386.96 : x
  2. Step 2: Convert to fraction form
    10,230.30/15,347.07 = 4,386.96/x
  3. Step 3: Cross multiply
    10,230.30x = 15,347.07 × 4,386.96
  4. Step 4: Simplify right side
    10,230.30x = 67,326,982.21
  5. Step 5: Solve for x
    x = 67,326,982.21/10,230.30
  6. Step 6: Final answer
    x = 6,581.13

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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.