Home / 12,528.73-17,289.66-7,223.91

Finding the Fourth Proportional to 12,528.73, 17,289.66 and 7,223.91

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Solution

The fourth proportional to 12,528.73, 17,289.66 and 7,223.91 is: 9,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.73 : 17,289.66 = 7,223.91 : x
  2. Step 2: Convert to fraction form
    12,528.73/17,289.66 = 7,223.91/x
  3. Step 3: Cross multiply
    12,528.73x = 17,289.66 × 7,223.91
  4. Step 4: Simplify right side
    12,528.73x = 124,898,947.77
  5. Step 5: Solve for x
    x = 124,898,947.77/12,528.73
  6. Step 6: Final answer
    x = 9,969.00

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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.