Home / 15,571.77-23,354.01-7,666.17

Finding the Fourth Proportional to 15,571.77, 23,354.01 and 7,666.17

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Solution

The fourth proportional to 15,571.77, 23,354.01 and 7,666.17 is: 11,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571.77 : 23,354.01 = 7,666.17 : x
  2. Step 2: Convert to fraction form
    15,571.77/23,354.01 = 7,666.17/x
  3. Step 3: Cross multiply
    15,571.77x = 23,354.01 × 7,666.17
  4. Step 4: Simplify right side
    15,571.77x = 179,035,810.84
  5. Step 5: Solve for x
    x = 179,035,810.84/15,571.77
  6. Step 6: Final answer
    x = 11,497.46

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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.