Home / 13,810.08-19,057.50-7,677.75

Finding the Fourth Proportional to 13,810.08, 19,057.50 and 7,677.75

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Solution

The fourth proportional to 13,810.08, 19,057.50 and 7,677.75 is: 10,595.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.08 : 19,057.50 = 7,677.75 : x
  2. Step 2: Convert to fraction form
    13,810.08/19,057.50 = 7,677.75/x
  3. Step 3: Cross multiply
    13,810.08x = 19,057.50 × 7,677.75
  4. Step 4: Simplify right side
    13,810.08x = 146,318,720.63
  5. Step 5: Solve for x
    x = 146,318,720.63/13,810.08
  6. Step 6: Final answer
    x = 10,595.07

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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.