Home / 13,274.70-18,319.56-7,610.52

Finding the Fourth Proportional to 13,274.70, 18,319.56 and 7,610.52

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Solution

The fourth proportional to 13,274.70, 18,319.56 and 7,610.52 is: 10,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.70 : 18,319.56 = 7,610.52 : x
  2. Step 2: Convert to fraction form
    13,274.70/18,319.56 = 7,610.52/x
  3. Step 3: Cross multiply
    13,274.70x = 18,319.56 × 7,610.52
  4. Step 4: Simplify right side
    13,274.70x = 139,421,377.77
  5. Step 5: Solve for x
    x = 139,421,377.77/13,274.70
  6. Step 6: Final answer
    x = 10,502.79

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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.