Home / 10,248.10-15,335.70-7,113.40

Finding the Fourth Proportional to 10,248.10, 15,335.70 and 7,113.40

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Solution

The fourth proportional to 10,248.10, 15,335.70 and 7,113.40 is: 10,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,248.10 : 15,335.70 = 7,113.40 : x
  2. Step 2: Convert to fraction form
    10,248.10/15,335.70 = 7,113.40/x
  3. Step 3: Cross multiply
    10,248.10x = 15,335.70 × 7,113.40
  4. Step 4: Simplify right side
    10,248.10x = 109,088,968.38
  5. Step 5: Solve for x
    x = 109,088,968.38/10,248.10
  6. Step 6: Final answer
    x = 10,644.80

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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.