Home / 9,988.12-14,985.62-4,445.35

Finding the Fourth Proportional to 9,988.12, 14,985.62 and 4,445.35

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Solution

The fourth proportional to 9,988.12, 14,985.62 and 4,445.35 is: 6,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.12 : 14,985.62 = 4,445.35 : x
  2. Step 2: Convert to fraction form
    9,988.12/14,985.62 = 4,445.35/x
  3. Step 3: Cross multiply
    9,988.12x = 14,985.62 × 4,445.35
  4. Step 4: Simplify right side
    9,988.12x = 66,616,325.87
  5. Step 5: Solve for x
    x = 66,616,325.87/9,988.12
  6. Step 6: Final answer
    x = 6,669.56

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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.