Home / 13,749.16-18,962.12-9,267.02

Finding the Fourth Proportional to 13,749.16, 18,962.12 and 9,267.02

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Solution

The fourth proportional to 13,749.16, 18,962.12 and 9,267.02 is: 12,780.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.16 : 18,962.12 = 9,267.02 : x
  2. Step 2: Convert to fraction form
    13,749.16/18,962.12 = 9,267.02/x
  3. Step 3: Cross multiply
    13,749.16x = 18,962.12 × 9,267.02
  4. Step 4: Simplify right side
    13,749.16x = 175,722,345.28
  5. Step 5: Solve for x
    x = 175,722,345.28/13,749.16
  6. Step 6: Final answer
    x = 12,780.59

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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.