Home / 15,671.81-23,510.76-4,578.55

Finding the Fourth Proportional to 15,671.81, 23,510.76 and 4,578.55

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Solution

The fourth proportional to 15,671.81, 23,510.76 and 4,578.55 is: 6,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,671.81 : 23,510.76 = 4,578.55 : x
  2. Step 2: Convert to fraction form
    15,671.81/23,510.76 = 4,578.55/x
  3. Step 3: Cross multiply
    15,671.81x = 23,510.76 × 4,578.55
  4. Step 4: Simplify right side
    15,671.81x = 107,645,190.20
  5. Step 5: Solve for x
    x = 107,645,190.20/15,671.81
  6. Step 6: Final answer
    x = 6,868.71

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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.