Home / 9,117.08-13,662.40-4,953.56

Finding the Fourth Proportional to 9,117.08, 13,662.40 and 4,953.56

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Solution

The fourth proportional to 9,117.08, 13,662.40 and 4,953.56 is: 7,423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.08 : 13,662.40 = 4,953.56 : x
  2. Step 2: Convert to fraction form
    9,117.08/13,662.40 = 4,953.56/x
  3. Step 3: Cross multiply
    9,117.08x = 13,662.40 × 4,953.56
  4. Step 4: Simplify right side
    9,117.08x = 67,677,518.14
  5. Step 5: Solve for x
    x = 67,677,518.14/9,117.08
  6. Step 6: Final answer
    x = 7,423.16

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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.