Home / 16,667.81-23,001.98-9,957.30

Finding the Fourth Proportional to 16,667.81, 23,001.98 and 9,957.30

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Solution

The fourth proportional to 16,667.81, 23,001.98 and 9,957.30 is: 13,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,667.81 : 23,001.98 = 9,957.30 : x
  2. Step 2: Convert to fraction form
    16,667.81/23,001.98 = 9,957.30/x
  3. Step 3: Cross multiply
    16,667.81x = 23,001.98 × 9,957.30
  4. Step 4: Simplify right side
    16,667.81x = 229,037,479.41
  5. Step 5: Solve for x
    x = 229,037,479.41/16,667.81
  6. Step 6: Final answer
    x = 13,741.31

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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.