Home / 8,750.07-13,032.29-8,707.69

Finding the Fourth Proportional to 8,750.07, 13,032.29 and 8,707.69

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Solution

The fourth proportional to 8,750.07, 13,032.29 and 8,707.69 is: 12,969.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.07 : 13,032.29 = 8,707.69 : x
  2. Step 2: Convert to fraction form
    8,750.07/13,032.29 = 8,707.69/x
  3. Step 3: Cross multiply
    8,750.07x = 13,032.29 × 8,707.69
  4. Step 4: Simplify right side
    8,750.07x = 113,481,141.31
  5. Step 5: Solve for x
    x = 113,481,141.31/8,750.07
  6. Step 6: Final answer
    x = 12,969.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.