Home / 10,368.40-15,552.60-9,914.80

Finding the Fourth Proportional to 10,368.40, 15,552.60 and 9,914.80

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Solution

The fourth proportional to 10,368.40, 15,552.60 and 9,914.80 is: 14,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.40 : 15,552.60 = 9,914.80 : x
  2. Step 2: Convert to fraction form
    10,368.40/15,552.60 = 9,914.80/x
  3. Step 3: Cross multiply
    10,368.40x = 15,552.60 × 9,914.80
  4. Step 4: Simplify right side
    10,368.40x = 154,200,918.48
  5. Step 5: Solve for x
    x = 154,200,918.48/10,368.40
  6. Step 6: Final answer
    x = 14,872.20

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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.