Home / 14,075.38-19,424.02-7,787.76

Finding the Fourth Proportional to 14,075.38, 19,424.02 and 7,787.76

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Solution

The fourth proportional to 14,075.38, 19,424.02 and 7,787.76 is: 10,747.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.38 : 19,424.02 = 7,787.76 : x
  2. Step 2: Convert to fraction form
    14,075.38/19,424.02 = 7,787.76/x
  3. Step 3: Cross multiply
    14,075.38x = 19,424.02 × 7,787.76
  4. Step 4: Simplify right side
    14,075.38x = 151,269,606.00
  5. Step 5: Solve for x
    x = 151,269,606.00/14,075.38
  6. Step 6: Final answer
    x = 10,747.11

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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.