Home / 9,770.63-13,494.60-6,621.35

Finding the Fourth Proportional to 9,770.63, 13,494.60 and 6,621.35

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Solution

The fourth proportional to 9,770.63, 13,494.60 and 6,621.35 is: 9,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,770.63 : 13,494.60 = 6,621.35 : x
  2. Step 2: Convert to fraction form
    9,770.63/13,494.60 = 6,621.35/x
  3. Step 3: Cross multiply
    9,770.63x = 13,494.60 × 6,621.35
  4. Step 4: Simplify right side
    9,770.63x = 89,352,402.24
  5. Step 5: Solve for x
    x = 89,352,402.24/9,770.63
  6. Step 6: Final answer
    x = 9,145.00

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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.