Home / 9,705.12-14,543.24-5,018.87

Finding the Fourth Proportional to 9,705.12, 14,543.24 and 5,018.87

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Solution

The fourth proportional to 9,705.12, 14,543.24 and 5,018.87 is: 7,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705.12 : 14,543.24 = 5,018.87 : x
  2. Step 2: Convert to fraction form
    9,705.12/14,543.24 = 5,018.87/x
  3. Step 3: Cross multiply
    9,705.12x = 14,543.24 × 5,018.87
  4. Step 4: Simplify right side
    9,705.12x = 72,990,607.13
  5. Step 5: Solve for x
    x = 72,990,607.13/9,705.12
  6. Step 6: Final answer
    x = 7,520.84

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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.