Home / 13,429.02-18,531.44-7,460.22

Finding the Fourth Proportional to 13,429.02, 18,531.44 and 7,460.22

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Solution

The fourth proportional to 13,429.02, 18,531.44 and 7,460.22 is: 10,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.02 : 18,531.44 = 7,460.22 : x
  2. Step 2: Convert to fraction form
    13,429.02/18,531.44 = 7,460.22/x
  3. Step 3: Cross multiply
    13,429.02x = 18,531.44 × 7,460.22
  4. Step 4: Simplify right side
    13,429.02x = 138,248,619.32
  5. Step 5: Solve for x
    x = 138,248,619.32/13,429.02
  6. Step 6: Final answer
    x = 10,294.77

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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.