Home / 10,114.02-13,956.48-5,637.42

Finding the Fourth Proportional to 10,114.02, 13,956.48 and 5,637.42

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Solution

The fourth proportional to 10,114.02, 13,956.48 and 5,637.42 is: 7,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114.02 : 13,956.48 = 5,637.42 : x
  2. Step 2: Convert to fraction form
    10,114.02/13,956.48 = 5,637.42/x
  3. Step 3: Cross multiply
    10,114.02x = 13,956.48 × 5,637.42
  4. Step 4: Simplify right side
    10,114.02x = 78,678,539.48
  5. Step 5: Solve for x
    x = 78,678,539.48/10,114.02
  6. Step 6: Final answer
    x = 7,779.16

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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.