Home / 14,350.64-19,803.87-7,977.04

Finding the Fourth Proportional to 14,350.64, 19,803.87 and 7,977.04

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Solution

The fourth proportional to 14,350.64, 19,803.87 and 7,977.04 is: 11,008.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.64 : 19,803.87 = 7,977.04 : x
  2. Step 2: Convert to fraction form
    14,350.64/19,803.87 = 7,977.04/x
  3. Step 3: Cross multiply
    14,350.64x = 19,803.87 × 7,977.04
  4. Step 4: Simplify right side
    14,350.64x = 157,976,263.14
  5. Step 5: Solve for x
    x = 157,976,263.14/14,350.64
  6. Step 6: Final answer
    x = 11,008.31

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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.