Home / 15,043.59-20,756.66-9,075.51

Finding the Fourth Proportional to 15,043.59, 20,756.66 and 9,075.51

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Solution

The fourth proportional to 15,043.59, 20,756.66 and 9,075.51 is: 12,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043.59 : 20,756.66 = 9,075.51 : x
  2. Step 2: Convert to fraction form
    15,043.59/20,756.66 = 9,075.51/x
  3. Step 3: Cross multiply
    15,043.59x = 20,756.66 × 9,075.51
  4. Step 4: Simplify right side
    15,043.59x = 188,377,230.02
  5. Step 5: Solve for x
    x = 188,377,230.02/15,043.59
  6. Step 6: Final answer
    x = 12,522.09

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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.