Home / 12,075.22-16,663.80-7,359.52

Finding the Fourth Proportional to 12,075.22, 16,663.80 and 7,359.52

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Solution

The fourth proportional to 12,075.22, 16,663.80 and 7,359.52 is: 10,156.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.22 : 16,663.80 = 7,359.52 : x
  2. Step 2: Convert to fraction form
    12,075.22/16,663.80 = 7,359.52/x
  3. Step 3: Cross multiply
    12,075.22x = 16,663.80 × 7,359.52
  4. Step 4: Simplify right side
    12,075.22x = 122,637,569.38
  5. Step 5: Solve for x
    x = 122,637,569.38/12,075.22
  6. Step 6: Final answer
    x = 10,156.14

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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.