Home / 15,422.69-23,075.70-14,489.57

Finding the Fourth Proportional to 15,422.69, 23,075.70 and 14,489.57

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Solution

The fourth proportional to 15,422.69, 23,075.70 and 14,489.57 is: 21,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.69 : 23,075.70 = 14,489.57 : x
  2. Step 2: Convert to fraction form
    15,422.69/23,075.70 = 14,489.57/x
  3. Step 3: Cross multiply
    15,422.69x = 23,075.70 × 14,489.57
  4. Step 4: Simplify right side
    15,422.69x = 334,356,855.07
  5. Step 5: Solve for x
    x = 334,356,855.07/15,422.69
  6. Step 6: Final answer
    x = 21,679.55

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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.