Home / 21,866.30-32,807.55-7,075.70

Finding the Fourth Proportional to 21,866.30, 32,807.55 and 7,075.70

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Solution

The fourth proportional to 21,866.30, 32,807.55 and 7,075.70 is: 10,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,866.30 : 32,807.55 = 7,075.70 : x
  2. Step 2: Convert to fraction form
    21,866.30/32,807.55 = 7,075.70/x
  3. Step 3: Cross multiply
    21,866.30x = 32,807.55 × 7,075.70
  4. Step 4: Simplify right side
    21,866.30x = 232,136,381.54
  5. Step 5: Solve for x
    x = 232,136,381.54/21,866.30
  6. Step 6: Final answer
    x = 10,616.17

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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.