Home / 17,985.08-26,985.39-9,655.36

Finding the Fourth Proportional to 17,985.08, 26,985.39 and 9,655.36

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Solution

The fourth proportional to 17,985.08, 26,985.39 and 9,655.36 is: 14,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.08 : 26,985.39 = 9,655.36 : x
  2. Step 2: Convert to fraction form
    17,985.08/26,985.39 = 9,655.36/x
  3. Step 3: Cross multiply
    17,985.08x = 26,985.39 × 9,655.36
  4. Step 4: Simplify right side
    17,985.08x = 260,553,606.91
  5. Step 5: Solve for x
    x = 260,553,606.91/17,985.08
  6. Step 6: Final answer
    x = 14,487.21

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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.