Home / 13,065.15-18,032.76-8,033.70

Finding the Fourth Proportional to 13,065.15, 18,032.76 and 8,033.70

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Solution

The fourth proportional to 13,065.15, 18,032.76 and 8,033.70 is: 11,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.15 : 18,032.76 = 8,033.70 : x
  2. Step 2: Convert to fraction form
    13,065.15/18,032.76 = 8,033.70/x
  3. Step 3: Cross multiply
    13,065.15x = 18,032.76 × 8,033.70
  4. Step 4: Simplify right side
    13,065.15x = 144,869,784.01
  5. Step 5: Solve for x
    x = 144,869,784.01/13,065.15
  6. Step 6: Final answer
    x = 11,088.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.