Home / 10,133.51-15,182.80-9,106.31

Finding the Fourth Proportional to 10,133.51, 15,182.80 and 9,106.31

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Solution

The fourth proportional to 10,133.51, 15,182.80 and 9,106.31 is: 13,643.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.51 : 15,182.80 = 9,106.31 : x
  2. Step 2: Convert to fraction form
    10,133.51/15,182.80 = 9,106.31/x
  3. Step 3: Cross multiply
    10,133.51x = 15,182.80 × 9,106.31
  4. Step 4: Simplify right side
    10,133.51x = 138,259,283.47
  5. Step 5: Solve for x
    x = 138,259,283.47/10,133.51
  6. Step 6: Final answer
    x = 13,643.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.