Home / 13,106.10-19,649.28-6,172.50

Finding the Fourth Proportional to 13,106.10, 19,649.28 and 6,172.50

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Solution

The fourth proportional to 13,106.10, 19,649.28 and 6,172.50 is: 9,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.10 : 19,649.28 = 6,172.50 : x
  2. Step 2: Convert to fraction form
    13,106.10/19,649.28 = 6,172.50/x
  3. Step 3: Cross multiply
    13,106.10x = 19,649.28 × 6,172.50
  4. Step 4: Simplify right side
    13,106.10x = 121,285,180.80
  5. Step 5: Solve for x
    x = 121,285,180.80/13,106.10
  6. Step 6: Final answer
    x = 9,254.10

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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.