Home / 15,430.95-23,146.25-3,744.18

Finding the Fourth Proportional to 15,430.95, 23,146.25 and 3,744.18

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Solution

The fourth proportional to 15,430.95, 23,146.25 and 3,744.18 is: 5,616.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.95 : 23,146.25 = 3,744.18 : x
  2. Step 2: Convert to fraction form
    15,430.95/23,146.25 = 3,744.18/x
  3. Step 3: Cross multiply
    15,430.95x = 23,146.25 × 3,744.18
  4. Step 4: Simplify right side
    15,430.95x = 86,663,707.60
  5. Step 5: Solve for x
    x = 86,663,707.60/15,430.95
  6. Step 6: Final answer
    x = 5,616.23

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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.