Home / 16,971.09-23,420.25-9,417.93

Finding the Fourth Proportional to 16,971.09, 23,420.25 and 9,417.93

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Solution

The fourth proportional to 16,971.09, 23,420.25 and 9,417.93 is: 12,996.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.09 : 23,420.25 = 9,417.93 : x
  2. Step 2: Convert to fraction form
    16,971.09/23,420.25 = 9,417.93/x
  3. Step 3: Cross multiply
    16,971.09x = 23,420.25 × 9,417.93
  4. Step 4: Simplify right side
    16,971.09x = 220,570,275.08
  5. Step 5: Solve for x
    x = 220,570,275.08/16,971.09
  6. Step 6: Final answer
    x = 12,996.82

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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.