Home / 9,374.63-12,937.26-5,125.59

Finding the Fourth Proportional to 9,374.63, 12,937.26 and 5,125.59

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Solution

The fourth proportional to 9,374.63, 12,937.26 and 5,125.59 is: 7,073.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,374.63 : 12,937.26 = 5,125.59 : x
  2. Step 2: Convert to fraction form
    9,374.63/12,937.26 = 5,125.59/x
  3. Step 3: Cross multiply
    9,374.63x = 12,937.26 × 5,125.59
  4. Step 4: Simplify right side
    9,374.63x = 66,311,109.70
  5. Step 5: Solve for x
    x = 66,311,109.70/9,374.63
  6. Step 6: Final answer
    x = 7,073.47

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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.