Home / 13,579.83-18,741.51-7,612.52

Finding the Fourth Proportional to 13,579.83, 18,741.51 and 7,612.52

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Solution

The fourth proportional to 13,579.83, 18,741.51 and 7,612.52 is: 10,506.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579.83 : 18,741.51 = 7,612.52 : x
  2. Step 2: Convert to fraction form
    13,579.83/18,741.51 = 7,612.52/x
  3. Step 3: Cross multiply
    13,579.83x = 18,741.51 × 7,612.52
  4. Step 4: Simplify right side
    13,579.83x = 142,670,026.00
  5. Step 5: Solve for x
    x = 142,670,026.00/13,579.83
  6. Step 6: Final answer
    x = 10,506.02

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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.