Home / 15,880.04-23,820.06-5,486.12

Finding the Fourth Proportional to 15,880.04, 23,820.06 and 5,486.12

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Solution

The fourth proportional to 15,880.04, 23,820.06 and 5,486.12 is: 8,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880.04 : 23,820.06 = 5,486.12 : x
  2. Step 2: Convert to fraction form
    15,880.04/23,820.06 = 5,486.12/x
  3. Step 3: Cross multiply
    15,880.04x = 23,820.06 × 5,486.12
  4. Step 4: Simplify right side
    15,880.04x = 130,679,707.57
  5. Step 5: Solve for x
    x = 130,679,707.57/15,880.04
  6. Step 6: Final answer
    x = 8,229.18

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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.