Home / 15,214.18-20,984-13,093.24

Finding the Fourth Proportional to 15,214.18, 20,984 and 13,093.24

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Solution

The fourth proportional to 15,214.18, 20,984 and 13,093.24 is: 18,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214.18 : 20,984 = 13,093.24 : x
  2. Step 2: Convert to fraction form
    15,214.18/20,984 = 13,093.24/x
  3. Step 3: Cross multiply
    15,214.18x = 20,984 × 13,093.24
  4. Step 4: Simplify right side
    15,214.18x = 274,748,548.16
  5. Step 5: Solve for x
    x = 274,748,548.16/15,214.18
  6. Step 6: Final answer
    x = 18,058.72

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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.