Home / 15,515.81-23,277.32-5,126.93

Finding the Fourth Proportional to 15,515.81, 23,277.32 and 5,126.93

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Solution

The fourth proportional to 15,515.81, 23,277.32 and 5,126.93 is: 7,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.81 : 23,277.32 = 5,126.93 : x
  2. Step 2: Convert to fraction form
    15,515.81/23,277.32 = 5,126.93/x
  3. Step 3: Cross multiply
    15,515.81x = 23,277.32 × 5,126.93
  4. Step 4: Simplify right side
    15,515.81x = 119,341,164.59
  5. Step 5: Solve for x
    x = 119,341,164.59/15,515.81
  6. Step 6: Final answer
    x = 7,691.58

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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.