Home / 9,928.56-13,695.48-6,902.40

Finding the Fourth Proportional to 9,928.56, 13,695.48 and 6,902.40

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Solution

The fourth proportional to 9,928.56, 13,695.48 and 6,902.40 is: 9,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.56 : 13,695.48 = 6,902.40 : x
  2. Step 2: Convert to fraction form
    9,928.56/13,695.48 = 6,902.40/x
  3. Step 3: Cross multiply
    9,928.56x = 13,695.48 × 6,902.40
  4. Step 4: Simplify right side
    9,928.56x = 94,531,681.15
  5. Step 5: Solve for x
    x = 94,531,681.15/9,928.56
  6. Step 6: Final answer
    x = 9,521.19

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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.