Home / 15,275.09-22,916.28-5,415.23

Finding the Fourth Proportional to 15,275.09, 22,916.28 and 5,415.23

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Solution

The fourth proportional to 15,275.09, 22,916.28 and 5,415.23 is: 8,124.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,275.09 : 22,916.28 = 5,415.23 : x
  2. Step 2: Convert to fraction form
    15,275.09/22,916.28 = 5,415.23/x
  3. Step 3: Cross multiply
    15,275.09x = 22,916.28 × 5,415.23
  4. Step 4: Simplify right side
    15,275.09x = 124,096,926.94
  5. Step 5: Solve for x
    x = 124,096,926.94/15,275.09
  6. Step 6: Final answer
    x = 8,124.14

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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.