Home / 9,513.60-14,259.36-5,621.28

Finding the Fourth Proportional to 9,513.60, 14,259.36 and 5,621.28

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Solution

The fourth proportional to 9,513.60, 14,259.36 and 5,621.28 is: 8,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513.60 : 14,259.36 = 5,621.28 : x
  2. Step 2: Convert to fraction form
    9,513.60/14,259.36 = 5,621.28/x
  3. Step 3: Cross multiply
    9,513.60x = 14,259.36 × 5,621.28
  4. Step 4: Simplify right side
    9,513.60x = 80,155,855.18
  5. Step 5: Solve for x
    x = 80,155,855.18/9,513.60
  6. Step 6: Final answer
    x = 8,425.40

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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.