Home / 14,890.50-22,253.40-11,955.06

Finding the Fourth Proportional to 14,890.50, 22,253.40 and 11,955.06

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Solution

The fourth proportional to 14,890.50, 22,253.40 and 11,955.06 is: 17,866.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.50 : 22,253.40 = 11,955.06 : x
  2. Step 2: Convert to fraction form
    14,890.50/22,253.40 = 11,955.06/x
  3. Step 3: Cross multiply
    14,890.50x = 22,253.40 × 11,955.06
  4. Step 4: Simplify right side
    14,890.50x = 266,040,732.20
  5. Step 5: Solve for x
    x = 266,040,732.20/14,890.50
  6. Step 6: Final answer
    x = 17,866.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.