Home / 16,667.79-23,001.06-9,113.88

Finding the Fourth Proportional to 16,667.79, 23,001.06 and 9,113.88

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Solution

The fourth proportional to 16,667.79, 23,001.06 and 9,113.88 is: 12,576.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,667.79 : 23,001.06 = 9,113.88 : x
  2. Step 2: Convert to fraction form
    16,667.79/23,001.06 = 9,113.88/x
  3. Step 3: Cross multiply
    16,667.79x = 23,001.06 × 9,113.88
  4. Step 4: Simplify right side
    16,667.79x = 209,628,900.71
  5. Step 5: Solve for x
    x = 209,628,900.71/16,667.79
  6. Step 6: Final answer
    x = 12,576.89

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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.