Home / 12,248.10-18,335.70-11,527.20

Finding the Fourth Proportional to 12,248.10, 18,335.70 and 11,527.20

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Solution

The fourth proportional to 12,248.10, 18,335.70 and 11,527.20 is: 17,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.10 : 18,335.70 = 11,527.20 : x
  2. Step 2: Convert to fraction form
    12,248.10/18,335.70 = 11,527.20/x
  3. Step 3: Cross multiply
    12,248.10x = 18,335.70 × 11,527.20
  4. Step 4: Simplify right side
    12,248.10x = 211,359,281.04
  5. Step 5: Solve for x
    x = 211,359,281.04/12,248.10
  6. Step 6: Final answer
    x = 17,256.50

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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.