Home / 13,053.40-18,001.44-10,064.50

Finding the Fourth Proportional to 13,053.40, 18,001.44 and 10,064.50

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Solution

The fourth proportional to 13,053.40, 18,001.44 and 10,064.50 is: 13,879.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053.40 : 18,001.44 = 10,064.50 : x
  2. Step 2: Convert to fraction form
    13,053.40/18,001.44 = 10,064.50/x
  3. Step 3: Cross multiply
    13,053.40x = 18,001.44 × 10,064.50
  4. Step 4: Simplify right side
    13,053.40x = 181,175,492.88
  5. Step 5: Solve for x
    x = 181,175,492.88/13,053.40
  6. Step 6: Final answer
    x = 13,879.56

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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.