Home / 17,985.06-26,985.36-9,655.35

Finding the Fourth Proportional to 17,985.06, 26,985.36 and 9,655.35

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Solution

The fourth proportional to 17,985.06, 26,985.36 and 9,655.35 is: 14,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.06 : 26,985.36 = 9,655.35 : x
  2. Step 2: Convert to fraction form
    17,985.06/26,985.36 = 9,655.35/x
  3. Step 3: Cross multiply
    17,985.06x = 26,985.36 × 9,655.35
  4. Step 4: Simplify right side
    17,985.06x = 260,553,030.69
  5. Step 5: Solve for x
    x = 260,553,030.69/17,985.06
  6. Step 6: Final answer
    x = 14,487.19

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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.