Home / 13,490.16-20,244.33-4,725.15

Finding the Fourth Proportional to 13,490.16, 20,244.33 and 4,725.15

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Solution

The fourth proportional to 13,490.16, 20,244.33 and 4,725.15 is: 7,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,490.16 : 20,244.33 = 4,725.15 : x
  2. Step 2: Convert to fraction form
    13,490.16/20,244.33 = 4,725.15/x
  3. Step 3: Cross multiply
    13,490.16x = 20,244.33 × 4,725.15
  4. Step 4: Simplify right side
    13,490.16x = 95,657,495.90
  5. Step 5: Solve for x
    x = 95,657,495.90/13,490.16
  6. Step 6: Final answer
    x = 7,090.91

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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.