Home / 15,141.51-22,712.36-5,280.75

Finding the Fourth Proportional to 15,141.51, 22,712.36 and 5,280.75

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Solution

The fourth proportional to 15,141.51, 22,712.36 and 5,280.75 is: 7,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.51 : 22,712.36 = 5,280.75 : x
  2. Step 2: Convert to fraction form
    15,141.51/22,712.36 = 5,280.75/x
  3. Step 3: Cross multiply
    15,141.51x = 22,712.36 × 5,280.75
  4. Step 4: Simplify right side
    15,141.51x = 119,938,295.07
  5. Step 5: Solve for x
    x = 119,938,295.07/15,141.51
  6. Step 6: Final answer
    x = 7,921.16

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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.