Home / 9,720.13-14,562.57-4,459.55

Finding the Fourth Proportional to 9,720.13, 14,562.57 and 4,459.55

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Solution

The fourth proportional to 9,720.13, 14,562.57 and 4,459.55 is: 6,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.13 : 14,562.57 = 4,459.55 : x
  2. Step 2: Convert to fraction form
    9,720.13/14,562.57 = 4,459.55/x
  3. Step 3: Cross multiply
    9,720.13x = 14,562.57 × 4,459.55
  4. Step 4: Simplify right side
    9,720.13x = 64,942,436.23
  5. Step 5: Solve for x
    x = 64,942,436.23/9,720.13
  6. Step 6: Final answer
    x = 6,681.23

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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.