Home / 10,436.10-15,617.70-7,301.40

Finding the Fourth Proportional to 10,436.10, 15,617.70 and 7,301.40

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Solution

The fourth proportional to 10,436.10, 15,617.70 and 7,301.40 is: 10,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.10 : 15,617.70 = 7,301.40 : x
  2. Step 2: Convert to fraction form
    10,436.10/15,617.70 = 7,301.40/x
  3. Step 3: Cross multiply
    10,436.10x = 15,617.70 × 7,301.40
  4. Step 4: Simplify right side
    10,436.10x = 114,031,074.78
  5. Step 5: Solve for x
    x = 114,031,074.78/10,436.10
  6. Step 6: Final answer
    x = 10,926.60

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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.