Home / 18,307.67-27,430.16-9,993.53

Finding the Fourth Proportional to 18,307.67, 27,430.16 and 9,993.53

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Solution

The fourth proportional to 18,307.67, 27,430.16 and 9,993.53 is: 14,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.67 : 27,430.16 = 9,993.53 : x
  2. Step 2: Convert to fraction form
    18,307.67/27,430.16 = 9,993.53/x
  3. Step 3: Cross multiply
    18,307.67x = 27,430.16 × 9,993.53
  4. Step 4: Simplify right side
    18,307.67x = 274,123,989.71
  5. Step 5: Solve for x
    x = 274,123,989.71/18,307.67
  6. Step 6: Final answer
    x = 14,973.18

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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.