Home / 15,214.34-20,995.95-8,926.82

Finding the Fourth Proportional to 15,214.34, 20,995.95 and 8,926.82

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Solution

The fourth proportional to 15,214.34, 20,995.95 and 8,926.82 is: 12,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214.34 : 20,995.95 = 8,926.82 : x
  2. Step 2: Convert to fraction form
    15,214.34/20,995.95 = 8,926.82/x
  3. Step 3: Cross multiply
    15,214.34x = 20,995.95 × 8,926.82
  4. Step 4: Simplify right side
    15,214.34x = 187,427,066.38
  5. Step 5: Solve for x
    x = 187,427,066.38/15,214.34
  6. Step 6: Final answer
    x = 12,319.11

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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.