Home / 11,256.40-16,877.40-4,685.20

Finding the Fourth Proportional to 11,256.40, 16,877.40 and 4,685.20

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Solution

The fourth proportional to 11,256.40, 16,877.40 and 4,685.20 is: 7,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.40 : 16,877.40 = 4,685.20 : x
  2. Step 2: Convert to fraction form
    11,256.40/16,877.40 = 4,685.20/x
  3. Step 3: Cross multiply
    11,256.40x = 16,877.40 × 4,685.20
  4. Step 4: Simplify right side
    11,256.40x = 79,073,994.48
  5. Step 5: Solve for x
    x = 79,073,994.48/11,256.40
  6. Step 6: Final answer
    x = 7,024.80

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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.