Home / 13,001.28-17,941.74-7,032.94

Finding the Fourth Proportional to 13,001.28, 17,941.74 and 7,032.94

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Solution

The fourth proportional to 13,001.28, 17,941.74 and 7,032.94 is: 9,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.28 : 17,941.74 = 7,032.94 : x
  2. Step 2: Convert to fraction form
    13,001.28/17,941.74 = 7,032.94/x
  3. Step 3: Cross multiply
    13,001.28x = 17,941.74 × 7,032.94
  4. Step 4: Simplify right side
    13,001.28x = 126,183,210.61
  5. Step 5: Solve for x
    x = 126,183,210.61/13,001.28
  6. Step 6: Final answer
    x = 9,705.45

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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.