Home / 14,090.56-19,444.16-7,715.86

Finding the Fourth Proportional to 14,090.56, 19,444.16 and 7,715.86

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Solution

The fourth proportional to 14,090.56, 19,444.16 and 7,715.86 is: 10,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.56 : 19,444.16 = 7,715.86 : x
  2. Step 2: Convert to fraction form
    14,090.56/19,444.16 = 7,715.86/x
  3. Step 3: Cross multiply
    14,090.56x = 19,444.16 × 7,715.86
  4. Step 4: Simplify right side
    14,090.56x = 150,028,387.06
  5. Step 5: Solve for x
    x = 150,028,387.06/14,090.56
  6. Step 6: Final answer
    x = 10,647.44

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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.