Home / 11,246.40-16,869.60-10,036.80

Finding the Fourth Proportional to 11,246.40, 16,869.60 and 10,036.80

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Solution

The fourth proportional to 11,246.40, 16,869.60 and 10,036.80 is: 15,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.40 : 16,869.60 = 10,036.80 : x
  2. Step 2: Convert to fraction form
    11,246.40/16,869.60 = 10,036.80/x
  3. Step 3: Cross multiply
    11,246.40x = 16,869.60 × 10,036.80
  4. Step 4: Simplify right side
    11,246.40x = 169,316,801.28
  5. Step 5: Solve for x
    x = 169,316,801.28/11,246.40
  6. Step 6: Final answer
    x = 15,055.20

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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.