Home / 15,210.40-22,815.60-11,030.80

Finding the Fourth Proportional to 15,210.40, 22,815.60 and 11,030.80

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Solution

The fourth proportional to 15,210.40, 22,815.60 and 11,030.80 is: 16,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210.40 : 22,815.60 = 11,030.80 : x
  2. Step 2: Convert to fraction form
    15,210.40/22,815.60 = 11,030.80/x
  3. Step 3: Cross multiply
    15,210.40x = 22,815.60 × 11,030.80
  4. Step 4: Simplify right side
    15,210.40x = 251,674,320.48
  5. Step 5: Solve for x
    x = 251,674,320.48/15,210.40
  6. Step 6: Final answer
    x = 16,546.20

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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.