Home / 16,986.72-23,444.48-9,913.14

Finding the Fourth Proportional to 16,986.72, 23,444.48 and 9,913.14

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Solution

The fourth proportional to 16,986.72, 23,444.48 and 9,913.14 is: 13,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.72 : 23,444.48 = 9,913.14 : x
  2. Step 2: Convert to fraction form
    16,986.72/23,444.48 = 9,913.14/x
  3. Step 3: Cross multiply
    16,986.72x = 23,444.48 × 9,913.14
  4. Step 4: Simplify right side
    16,986.72x = 232,408,412.47
  5. Step 5: Solve for x
    x = 232,408,412.47/16,986.72
  6. Step 6: Final answer
    x = 13,681.77

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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.