Home / 13,460.90-18,571.80-9,484.20

Finding the Fourth Proportional to 13,460.90, 18,571.80 and 9,484.20

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Solution

The fourth proportional to 13,460.90, 18,571.80 and 9,484.20 is: 13,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.90 : 18,571.80 = 9,484.20 : x
  2. Step 2: Convert to fraction form
    13,460.90/18,571.80 = 9,484.20/x
  3. Step 3: Cross multiply
    13,460.90x = 18,571.80 × 9,484.20
  4. Step 4: Simplify right side
    13,460.90x = 176,138,665.56
  5. Step 5: Solve for x
    x = 176,138,665.56/13,460.90
  6. Step 6: Final answer
    x = 13,085.21

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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.