Home / 18,666.90-25,761.06-10,709.46

Finding the Fourth Proportional to 18,666.90, 25,761.06 and 10,709.46

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Solution

The fourth proportional to 18,666.90, 25,761.06 and 10,709.46 is: 14,779.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666.90 : 25,761.06 = 10,709.46 : x
  2. Step 2: Convert to fraction form
    18,666.90/25,761.06 = 10,709.46/x
  3. Step 3: Cross multiply
    18,666.90x = 25,761.06 × 10,709.46
  4. Step 4: Simplify right side
    18,666.90x = 275,887,041.63
  5. Step 5: Solve for x
    x = 275,887,041.63/18,666.90
  6. Step 6: Final answer
    x = 14,779.48

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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.