Home / 9,638.60-14,459.85-5,480.60

Finding the Fourth Proportional to 9,638.60, 14,459.85 and 5,480.60

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Solution

The fourth proportional to 9,638.60, 14,459.85 and 5,480.60 is: 8,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638.60 : 14,459.85 = 5,480.60 : x
  2. Step 2: Convert to fraction form
    9,638.60/14,459.85 = 5,480.60/x
  3. Step 3: Cross multiply
    9,638.60x = 14,459.85 × 5,480.60
  4. Step 4: Simplify right side
    9,638.60x = 79,248,581.61
  5. Step 5: Solve for x
    x = 79,248,581.61/9,638.60
  6. Step 6: Final answer
    x = 8,222.01

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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.