Home / 10,302.50-15,441.08-4,748.13

Finding the Fourth Proportional to 10,302.50, 15,441.08 and 4,748.13

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Solution

The fourth proportional to 10,302.50, 15,441.08 and 4,748.13 is: 7,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.50 : 15,441.08 = 4,748.13 : x
  2. Step 2: Convert to fraction form
    10,302.50/15,441.08 = 4,748.13/x
  3. Step 3: Cross multiply
    10,302.50x = 15,441.08 × 4,748.13
  4. Step 4: Simplify right side
    10,302.50x = 73,316,231.44
  5. Step 5: Solve for x
    x = 73,316,231.44/10,302.50
  6. Step 6: Final answer
    x = 7,116.36

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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.