Home / 14,699.32-20,285.29-7,985.08

Finding the Fourth Proportional to 14,699.32, 20,285.29 and 7,985.08

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Solution

The fourth proportional to 14,699.32, 20,285.29 and 7,985.08 is: 11,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.32 : 20,285.29 = 7,985.08 : x
  2. Step 2: Convert to fraction form
    14,699.32/20,285.29 = 7,985.08/x
  3. Step 3: Cross multiply
    14,699.32x = 20,285.29 × 7,985.08
  4. Step 4: Simplify right side
    14,699.32x = 161,979,663.47
  5. Step 5: Solve for x
    x = 161,979,663.47/14,699.32
  6. Step 6: Final answer
    x = 11,019.53

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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.