Home / 18,430.24-27,641.04-5,280.16

Finding the Fourth Proportional to 18,430.24, 27,641.04 and 5,280.16

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Solution

The fourth proportional to 18,430.24, 27,641.04 and 5,280.16 is: 7,919.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.24 : 27,641.04 = 5,280.16 : x
  2. Step 2: Convert to fraction form
    18,430.24/27,641.04 = 5,280.16/x
  3. Step 3: Cross multiply
    18,430.24x = 27,641.04 × 5,280.16
  4. Step 4: Simplify right side
    18,430.24x = 145,949,113.77
  5. Step 5: Solve for x
    x = 145,949,113.77/18,430.24
  6. Step 6: Final answer
    x = 7,919.00

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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.