Home / 18,025.34-26,984.76-13,314.06

Finding the Fourth Proportional to 18,025.34, 26,984.76 and 13,314.06

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Solution

The fourth proportional to 18,025.34, 26,984.76 and 13,314.06 is: 19,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.34 : 26,984.76 = 13,314.06 : x
  2. Step 2: Convert to fraction form
    18,025.34/26,984.76 = 13,314.06/x
  3. Step 3: Cross multiply
    18,025.34x = 26,984.76 × 13,314.06
  4. Step 4: Simplify right side
    18,025.34x = 359,276,663.80
  5. Step 5: Solve for x
    x = 359,276,663.80/18,025.34
  6. Step 6: Final answer
    x = 19,931.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.