Home / 16,870.61-25,307.29-5,774.32

Finding the Fourth Proportional to 16,870.61, 25,307.29 and 5,774.32

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Solution

The fourth proportional to 16,870.61, 25,307.29 and 5,774.32 is: 8,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.61 : 25,307.29 = 5,774.32 : x
  2. Step 2: Convert to fraction form
    16,870.61/25,307.29 = 5,774.32/x
  3. Step 3: Cross multiply
    16,870.61x = 25,307.29 × 5,774.32
  4. Step 4: Simplify right side
    16,870.61x = 146,132,397.16
  5. Step 5: Solve for x
    x = 146,132,397.16/16,870.61
  6. Step 6: Final answer
    x = 8,661.95

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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.