Home / 10,020.51-15,030.56-3,000.53

Finding the Fourth Proportional to 10,020.51, 15,030.56 and 3,000.53

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Solution

The fourth proportional to 10,020.51, 15,030.56 and 3,000.53 is: 4,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.51 : 15,030.56 = 3,000.53 : x
  2. Step 2: Convert to fraction form
    10,020.51/15,030.56 = 3,000.53/x
  3. Step 3: Cross multiply
    10,020.51x = 15,030.56 × 3,000.53
  4. Step 4: Simplify right side
    10,020.51x = 45,099,691.27
  5. Step 5: Solve for x
    x = 45,099,691.27/10,020.51
  6. Step 6: Final answer
    x = 4,500.74

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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.