Home / 15,330.47-22,995.70-4,085.81

Finding the Fourth Proportional to 15,330.47, 22,995.70 and 4,085.81

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Solution

The fourth proportional to 15,330.47, 22,995.70 and 4,085.81 is: 6,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330.47 : 22,995.70 = 4,085.81 : x
  2. Step 2: Convert to fraction form
    15,330.47/22,995.70 = 4,085.81/x
  3. Step 3: Cross multiply
    15,330.47x = 22,995.70 × 4,085.81
  4. Step 4: Simplify right side
    15,330.47x = 93,956,061.02
  5. Step 5: Solve for x
    x = 93,956,061.02/15,330.47
  6. Step 6: Final answer
    x = 6,128.71

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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.