Home / 16,971.85-23,421.95-10,602.21

Finding the Fourth Proportional to 16,971.85, 23,421.95 and 10,602.21

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Solution

The fourth proportional to 16,971.85, 23,421.95 and 10,602.21 is: 14,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.85 : 23,421.95 = 10,602.21 : x
  2. Step 2: Convert to fraction form
    16,971.85/23,421.95 = 10,602.21/x
  3. Step 3: Cross multiply
    16,971.85x = 23,421.95 × 10,602.21
  4. Step 4: Simplify right side
    16,971.85x = 248,324,432.51
  5. Step 5: Solve for x
    x = 248,324,432.51/16,971.85
  6. Step 6: Final answer
    x = 14,631.55

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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.