Home / 13,285.56-19,918.01-8,595.66

Finding the Fourth Proportional to 13,285.56, 19,918.01 and 8,595.66

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Solution

The fourth proportional to 13,285.56, 19,918.01 and 8,595.66 is: 12,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.56 : 19,918.01 = 8,595.66 : x
  2. Step 2: Convert to fraction form
    13,285.56/19,918.01 = 8,595.66/x
  3. Step 3: Cross multiply
    13,285.56x = 19,918.01 × 8,595.66
  4. Step 4: Simplify right side
    13,285.56x = 171,208,398.86
  5. Step 5: Solve for x
    x = 171,208,398.86/13,285.56
  6. Step 6: Final answer
    x = 12,886.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.