Home / 15,685.01-23,506.75-11,505.45

Finding the Fourth Proportional to 15,685.01, 23,506.75 and 11,505.45

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Solution

The fourth proportional to 15,685.01, 23,506.75 and 11,505.45 is: 17,242.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,685.01 : 23,506.75 = 11,505.45 : x
  2. Step 2: Convert to fraction form
    15,685.01/23,506.75 = 11,505.45/x
  3. Step 3: Cross multiply
    15,685.01x = 23,506.75 × 11,505.45
  4. Step 4: Simplify right side
    15,685.01x = 270,455,839.32
  5. Step 5: Solve for x
    x = 270,455,839.32/15,685.01
  6. Step 6: Final answer
    x = 17,242.95

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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.