Home / 10,246.40-15,373.20-9,886.40

Finding the Fourth Proportional to 10,246.40, 15,373.20 and 9,886.40

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Solution

The fourth proportional to 10,246.40, 15,373.20 and 9,886.40 is: 14,833.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246.40 : 15,373.20 = 9,886.40 : x
  2. Step 2: Convert to fraction form
    10,246.40/15,373.20 = 9,886.40/x
  3. Step 3: Cross multiply
    10,246.40x = 15,373.20 × 9,886.40
  4. Step 4: Simplify right side
    10,246.40x = 151,985,604.48
  5. Step 5: Solve for x
    x = 151,985,604.48/10,246.40
  6. Step 6: Final answer
    x = 14,833.07

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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.