Home / 10,731.11-14,801.51-7,551.07

Finding the Fourth Proportional to 10,731.11, 14,801.51 and 7,551.07

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Solution

The fourth proportional to 10,731.11, 14,801.51 and 7,551.07 is: 10,415.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.11 : 14,801.51 = 7,551.07 : x
  2. Step 2: Convert to fraction form
    10,731.11/14,801.51 = 7,551.07/x
  3. Step 3: Cross multiply
    10,731.11x = 14,801.51 × 7,551.07
  4. Step 4: Simplify right side
    10,731.11x = 111,767,282.01
  5. Step 5: Solve for x
    x = 111,767,282.01/10,731.11
  6. Step 6: Final answer
    x = 10,415.26

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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.