Home / 15,699.40-23,549.10-5,169

Finding the Fourth Proportional to 15,699.40, 23,549.10 and 5,169

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Solution

The fourth proportional to 15,699.40, 23,549.10 and 5,169 is: 7,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,699.40 : 23,549.10 = 5,169 : x
  2. Step 2: Convert to fraction form
    15,699.40/23,549.10 = 5,169/x
  3. Step 3: Cross multiply
    15,699.40x = 23,549.10 × 5,169
  4. Step 4: Simplify right side
    15,699.40x = 121,725,297.90
  5. Step 5: Solve for x
    x = 121,725,297.90/15,699.40
  6. Step 6: Final answer
    x = 7,753.50

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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.