Home / 14,484.60-19,985.40-9,695.88

Finding the Fourth Proportional to 14,484.60, 19,985.40 and 9,695.88

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Solution

The fourth proportional to 14,484.60, 19,985.40 and 9,695.88 is: 13,378.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.60 : 19,985.40 = 9,695.88 : x
  2. Step 2: Convert to fraction form
    14,484.60/19,985.40 = 9,695.88/x
  3. Step 3: Cross multiply
    14,484.60x = 19,985.40 × 9,695.88
  4. Step 4: Simplify right side
    14,484.60x = 193,776,040.15
  5. Step 5: Solve for x
    x = 193,776,040.15/14,484.60
  6. Step 6: Final answer
    x = 13,378.07

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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.