Home / 12,319.32-17,001.18-7,015.44

Finding the Fourth Proportional to 12,319.32, 17,001.18 and 7,015.44

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Solution

The fourth proportional to 12,319.32, 17,001.18 and 7,015.44 is: 9,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.32 : 17,001.18 = 7,015.44 : x
  2. Step 2: Convert to fraction form
    12,319.32/17,001.18 = 7,015.44/x
  3. Step 3: Cross multiply
    12,319.32x = 17,001.18 × 7,015.44
  4. Step 4: Simplify right side
    12,319.32x = 119,270,758.22
  5. Step 5: Solve for x
    x = 119,270,758.22/12,319.32
  6. Step 6: Final answer
    x = 9,681.60

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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.