Home / 9,640.16-14,465.28-5,256.80

Finding the Fourth Proportional to 9,640.16, 14,465.28 and 5,256.80

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Solution

The fourth proportional to 9,640.16, 14,465.28 and 5,256.80 is: 7,887.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640.16 : 14,465.28 = 5,256.80 : x
  2. Step 2: Convert to fraction form
    9,640.16/14,465.28 = 5,256.80/x
  3. Step 3: Cross multiply
    9,640.16x = 14,465.28 × 5,256.80
  4. Step 4: Simplify right side
    9,640.16x = 76,041,083.90
  5. Step 5: Solve for x
    x = 76,041,083.90/9,640.16
  6. Step 6: Final answer
    x = 7,887.95

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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.