Home / 15,280.31-22,928.25-7,389.56

Finding the Fourth Proportional to 15,280.31, 22,928.25 and 7,389.56

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Solution

The fourth proportional to 15,280.31, 22,928.25 and 7,389.56 is: 11,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280.31 : 22,928.25 = 7,389.56 : x
  2. Step 2: Convert to fraction form
    15,280.31/22,928.25 = 7,389.56/x
  3. Step 3: Cross multiply
    15,280.31x = 22,928.25 × 7,389.56
  4. Step 4: Simplify right side
    15,280.31x = 169,429,679.07
  5. Step 5: Solve for x
    x = 169,429,679.07/15,280.31
  6. Step 6: Final answer
    x = 11,088.10

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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.