Home / 15,445.92-23,170.08-5,058.72

Finding the Fourth Proportional to 15,445.92, 23,170.08 and 5,058.72

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Solution

The fourth proportional to 15,445.92, 23,170.08 and 5,058.72 is: 7,588.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445.92 : 23,170.08 = 5,058.72 : x
  2. Step 2: Convert to fraction form
    15,445.92/23,170.08 = 5,058.72/x
  3. Step 3: Cross multiply
    15,445.92x = 23,170.08 × 5,058.72
  4. Step 4: Simplify right side
    15,445.92x = 117,210,947.10
  5. Step 5: Solve for x
    x = 117,210,947.10/15,445.92
  6. Step 6: Final answer
    x = 7,588.47

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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.