Home / 15,255.93-22,820.71-14,322.81

Finding the Fourth Proportional to 15,255.93, 22,820.71 and 14,322.81

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Solution

The fourth proportional to 15,255.93, 22,820.71 and 14,322.81 is: 21,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.93 : 22,820.71 = 14,322.81 : x
  2. Step 2: Convert to fraction form
    15,255.93/22,820.71 = 14,322.81/x
  3. Step 3: Cross multiply
    15,255.93x = 22,820.71 × 14,322.81
  4. Step 4: Simplify right side
    15,255.93x = 326,856,693.40
  5. Step 5: Solve for x
    x = 326,856,693.40/15,255.93
  6. Step 6: Final answer
    x = 21,424.89

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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.