Home / 12,538.19-17,302.63-6,873.18

Finding the Fourth Proportional to 12,538.19, 17,302.63 and 6,873.18

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Solution

The fourth proportional to 12,538.19, 17,302.63 and 6,873.18 is: 9,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538.19 : 17,302.63 = 6,873.18 : x
  2. Step 2: Convert to fraction form
    12,538.19/17,302.63 = 6,873.18/x
  3. Step 3: Cross multiply
    12,538.19x = 17,302.63 × 6,873.18
  4. Step 4: Simplify right side
    12,538.19x = 118,924,069.95
  5. Step 5: Solve for x
    x = 118,924,069.95/12,538.19
  6. Step 6: Final answer
    x = 9,484.95

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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.