Home / 13,779.02-20,655.93-5,985.02

Finding the Fourth Proportional to 13,779.02, 20,655.93 and 5,985.02

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Solution

The fourth proportional to 13,779.02, 20,655.93 and 5,985.02 is: 8,972.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779.02 : 20,655.93 = 5,985.02 : x
  2. Step 2: Convert to fraction form
    13,779.02/20,655.93 = 5,985.02/x
  3. Step 3: Cross multiply
    13,779.02x = 20,655.93 × 5,985.02
  4. Step 4: Simplify right side
    13,779.02x = 123,626,154.17
  5. Step 5: Solve for x
    x = 123,626,154.17/13,779.02
  6. Step 6: Final answer
    x = 8,972.06

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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.