Home / 13,656.16-20,492.19-5,758.18

Finding the Fourth Proportional to 13,656.16, 20,492.19 and 5,758.18

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Solution

The fourth proportional to 13,656.16, 20,492.19 and 5,758.18 is: 8,640.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.16 : 20,492.19 = 5,758.18 : x
  2. Step 2: Convert to fraction form
    13,656.16/20,492.19 = 5,758.18/x
  3. Step 3: Cross multiply
    13,656.16x = 20,492.19 × 5,758.18
  4. Step 4: Simplify right side
    13,656.16x = 117,997,718.61
  5. Step 5: Solve for x
    x = 117,997,718.61/13,656.16
  6. Step 6: Final answer
    x = 8,640.62

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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.