Home / 10,346.10-15,531.30-10,273.20

Finding the Fourth Proportional to 10,346.10, 15,531.30 and 10,273.20

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Solution

The fourth proportional to 10,346.10, 15,531.30 and 10,273.20 is: 15,421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.10 : 15,531.30 = 10,273.20 : x
  2. Step 2: Convert to fraction form
    10,346.10/15,531.30 = 10,273.20/x
  3. Step 3: Cross multiply
    10,346.10x = 15,531.30 × 10,273.20
  4. Step 4: Simplify right side
    10,346.10x = 159,556,151.16
  5. Step 5: Solve for x
    x = 159,556,151.16/10,346.10
  6. Step 6: Final answer
    x = 15,421.86

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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.