Home / 13,946.49-21,002.20-10,077.93

Finding the Fourth Proportional to 13,946.49, 21,002.20 and 10,077.93

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Solution

The fourth proportional to 13,946.49, 21,002.20 and 10,077.93 is: 15,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.49 : 21,002.20 = 10,077.93 : x
  2. Step 2: Convert to fraction form
    13,946.49/21,002.20 = 10,077.93/x
  3. Step 3: Cross multiply
    13,946.49x = 21,002.20 × 10,077.93
  4. Step 4: Simplify right side
    13,946.49x = 211,658,676.25
  5. Step 5: Solve for x
    x = 211,658,676.25/13,946.49
  6. Step 6: Final answer
    x = 15,176.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.