Home / 17,971.07-24,800.08-10,421.78

Finding the Fourth Proportional to 17,971.07, 24,800.08 and 10,421.78

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Solution

The fourth proportional to 17,971.07, 24,800.08 and 10,421.78 is: 14,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,971.07 : 24,800.08 = 10,421.78 : x
  2. Step 2: Convert to fraction form
    17,971.07/24,800.08 = 10,421.78/x
  3. Step 3: Cross multiply
    17,971.07x = 24,800.08 × 10,421.78
  4. Step 4: Simplify right side
    17,971.07x = 258,461,043.24
  5. Step 5: Solve for x
    x = 258,461,043.24/17,971.07
  6. Step 6: Final answer
    x = 14,382.06

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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.