Home / 36,210.56-54,315.40-9,915.28

Finding the Fourth Proportional to 36,210.56, 54,315.40 and 9,915.28

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Solution

The fourth proportional to 36,210.56, 54,315.40 and 9,915.28 is: 14,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,210.56 : 54,315.40 = 9,915.28 : x
  2. Step 2: Convert to fraction form
    36,210.56/54,315.40 = 9,915.28/x
  3. Step 3: Cross multiply
    36,210.56x = 54,315.40 × 9,915.28
  4. Step 4: Simplify right side
    36,210.56x = 538,552,399.31
  5. Step 5: Solve for x
    x = 538,552,399.31/36,210.56
  6. Step 6: Final answer
    x = 14,872.80

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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.