Home / 10,075.47-15,112.76-3,502.17

Finding the Fourth Proportional to 10,075.47, 15,112.76 and 3,502.17

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Solution

The fourth proportional to 10,075.47, 15,112.76 and 3,502.17 is: 5,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.47 : 15,112.76 = 3,502.17 : x
  2. Step 2: Convert to fraction form
    10,075.47/15,112.76 = 3,502.17/x
  3. Step 3: Cross multiply
    10,075.47x = 15,112.76 × 3,502.17
  4. Step 4: Simplify right side
    10,075.47x = 52,927,437.18
  5. Step 5: Solve for x
    x = 52,927,437.18/10,075.47
  6. Step 6: Final answer
    x = 5,253.10

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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.