Home / 14,482.04-19,980.57-8,107.69

Finding the Fourth Proportional to 14,482.04, 19,980.57 and 8,107.69

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Solution

The fourth proportional to 14,482.04, 19,980.57 and 8,107.69 is: 11,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.04 : 19,980.57 = 8,107.69 : x
  2. Step 2: Convert to fraction form
    14,482.04/19,980.57 = 8,107.69/x
  3. Step 3: Cross multiply
    14,482.04x = 19,980.57 × 8,107.69
  4. Step 4: Simplify right side
    14,482.04x = 161,996,267.58
  5. Step 5: Solve for x
    x = 161,996,267.58/14,482.04
  6. Step 6: Final answer
    x = 11,186.01

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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.