Home / 14,754.61-20,357.73-9,015.07

Finding the Fourth Proportional to 14,754.61, 20,357.73 and 9,015.07

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Solution

The fourth proportional to 14,754.61, 20,357.73 and 9,015.07 is: 12,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,754.61 : 20,357.73 = 9,015.07 : x
  2. Step 2: Convert to fraction form
    14,754.61/20,357.73 = 9,015.07/x
  3. Step 3: Cross multiply
    14,754.61x = 20,357.73 × 9,015.07
  4. Step 4: Simplify right side
    14,754.61x = 183,526,360.99
  5. Step 5: Solve for x
    x = 183,526,360.99/14,754.61
  6. Step 6: Final answer
    x = 12,438.58

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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.