Home / 14,158.80-19,537.74-10,803.78

Finding the Fourth Proportional to 14,158.80, 19,537.74 and 10,803.78

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Solution

The fourth proportional to 14,158.80, 19,537.74 and 10,803.78 is: 14,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.80 : 19,537.74 = 10,803.78 : x
  2. Step 2: Convert to fraction form
    14,158.80/19,537.74 = 10,803.78/x
  3. Step 3: Cross multiply
    14,158.80x = 19,537.74 × 10,803.78
  4. Step 4: Simplify right side
    14,158.80x = 211,081,444.66
  5. Step 5: Solve for x
    x = 211,081,444.66/14,158.80
  6. Step 6: Final answer
    x = 14,908.15

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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.