Home / 9,618.96-13,271.22-5,585.40

Finding the Fourth Proportional to 9,618.96, 13,271.22 and 5,585.40

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Solution

The fourth proportional to 9,618.96, 13,271.22 and 5,585.40 is: 7,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.96 : 13,271.22 = 5,585.40 : x
  2. Step 2: Convert to fraction form
    9,618.96/13,271.22 = 5,585.40/x
  3. Step 3: Cross multiply
    9,618.96x = 13,271.22 × 5,585.40
  4. Step 4: Simplify right side
    9,618.96x = 74,125,072.19
  5. Step 5: Solve for x
    x = 74,125,072.19/9,618.96
  6. Step 6: Final answer
    x = 7,706.14

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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.