Home / 56,115.15-84,157.15-15,579.35

Finding the Fourth Proportional to 56,115.15, 84,157.15 and 15,579.35

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Solution

The fourth proportional to 56,115.15, 84,157.15 and 15,579.35 is: 23,364.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,115.15 : 84,157.15 = 15,579.35 : x
  2. Step 2: Convert to fraction form
    56,115.15/84,157.15 = 15,579.35/x
  3. Step 3: Cross multiply
    56,115.15x = 84,157.15 × 15,579.35
  4. Step 4: Simplify right side
    56,115.15x = 1,311,113,196.17
  5. Step 5: Solve for x
    x = 1,311,113,196.17/56,115.15
  6. Step 6: Final answer
    x = 23,364.69

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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.