Home / 13,115.04-18,100.44-7,526.04

Finding the Fourth Proportional to 13,115.04, 18,100.44 and 7,526.04

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Solution

The fourth proportional to 13,115.04, 18,100.44 and 7,526.04 is: 10,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115.04 : 18,100.44 = 7,526.04 : x
  2. Step 2: Convert to fraction form
    13,115.04/18,100.44 = 7,526.04/x
  3. Step 3: Cross multiply
    13,115.04x = 18,100.44 × 7,526.04
  4. Step 4: Simplify right side
    13,115.04x = 136,224,635.46
  5. Step 5: Solve for x
    x = 136,224,635.46/13,115.04
  6. Step 6: Final answer
    x = 10,386.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.