Home / 19,971.16-29,961.54-10,110.16

Finding the Fourth Proportional to 19,971.16, 29,961.54 and 10,110.16

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Solution

The fourth proportional to 19,971.16, 29,961.54 and 10,110.16 is: 15,167.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.16 : 29,961.54 = 10,110.16 : x
  2. Step 2: Convert to fraction form
    19,971.16/29,961.54 = 10,110.16/x
  3. Step 3: Cross multiply
    19,971.16x = 29,961.54 × 10,110.16
  4. Step 4: Simplify right side
    19,971.16x = 302,915,963.25
  5. Step 5: Solve for x
    x = 302,915,963.25/19,971.16
  6. Step 6: Final answer
    x = 15,167.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.