Home / 10,412.80-14,375.60-6,886.24

Finding the Fourth Proportional to 10,412.80, 14,375.60 and 6,886.24

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Solution

The fourth proportional to 10,412.80, 14,375.60 and 6,886.24 is: 9,506.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.80 : 14,375.60 = 6,886.24 : x
  2. Step 2: Convert to fraction form
    10,412.80/14,375.60 = 6,886.24/x
  3. Step 3: Cross multiply
    10,412.80x = 14,375.60 × 6,886.24
  4. Step 4: Simplify right side
    10,412.80x = 98,993,831.74
  5. Step 5: Solve for x
    x = 98,993,831.74/10,412.80
  6. Step 6: Final answer
    x = 9,506.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.