Home / 15,389.30-23,084.10-4,859.12

Finding the Fourth Proportional to 15,389.30, 23,084.10 and 4,859.12

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Solution

The fourth proportional to 15,389.30, 23,084.10 and 4,859.12 is: 7,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,389.30 : 23,084.10 = 4,859.12 : x
  2. Step 2: Convert to fraction form
    15,389.30/23,084.10 = 4,859.12/x
  3. Step 3: Cross multiply
    15,389.30x = 23,084.10 × 4,859.12
  4. Step 4: Simplify right side
    15,389.30x = 112,168,296.57
  5. Step 5: Solve for x
    x = 112,168,296.57/15,389.30
  6. Step 6: Final answer
    x = 7,288.72

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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.