Home / 9,918.68-14,853.72-4,712

Finding the Fourth Proportional to 9,918.68, 14,853.72 and 4,712

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Solution

The fourth proportional to 9,918.68, 14,853.72 and 4,712 is: 7,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.68 : 14,853.72 = 4,712 : x
  2. Step 2: Convert to fraction form
    9,918.68/14,853.72 = 4,712/x
  3. Step 3: Cross multiply
    9,918.68x = 14,853.72 × 4,712
  4. Step 4: Simplify right side
    9,918.68x = 69,990,728.64
  5. Step 5: Solve for x
    x = 69,990,728.64/9,918.68
  6. Step 6: Final answer
    x = 7,056.46

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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.