Home / 15,615.06-23,422.38-5,085.47

Finding the Fourth Proportional to 15,615.06, 23,422.38 and 5,085.47

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Solution

The fourth proportional to 15,615.06, 23,422.38 and 5,085.47 is: 7,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.06 : 23,422.38 = 5,085.47 : x
  2. Step 2: Convert to fraction form
    15,615.06/23,422.38 = 5,085.47/x
  3. Step 3: Cross multiply
    15,615.06x = 23,422.38 × 5,085.47
  4. Step 4: Simplify right side
    15,615.06x = 119,113,693.71
  5. Step 5: Solve for x
    x = 119,113,693.71/15,615.06
  6. Step 6: Final answer
    x = 7,628.13

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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.