Home / 15,075.30-22,606.47-4,687.86

Finding the Fourth Proportional to 15,075.30, 22,606.47 and 4,687.86

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Solution

The fourth proportional to 15,075.30, 22,606.47 and 4,687.86 is: 7,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.30 : 22,606.47 = 4,687.86 : x
  2. Step 2: Convert to fraction form
    15,075.30/22,606.47 = 4,687.86/x
  3. Step 3: Cross multiply
    15,075.30x = 22,606.47 × 4,687.86
  4. Step 4: Simplify right side
    15,075.30x = 105,975,966.45
  5. Step 5: Solve for x
    x = 105,975,966.45/15,075.30
  6. Step 6: Final answer
    x = 7,029.77

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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.