Home / 15,246.89-21,041.63-8,532.38

Finding the Fourth Proportional to 15,246.89, 21,041.63 and 8,532.38

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Solution

The fourth proportional to 15,246.89, 21,041.63 and 8,532.38 is: 11,775.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246.89 : 21,041.63 = 8,532.38 : x
  2. Step 2: Convert to fraction form
    15,246.89/21,041.63 = 8,532.38/x
  3. Step 3: Cross multiply
    15,246.89x = 21,041.63 × 8,532.38
  4. Step 4: Simplify right side
    15,246.89x = 179,535,099.10
  5. Step 5: Solve for x
    x = 179,535,099.10/15,246.89
  6. Step 6: Final answer
    x = 11,775.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.