Home / 9,655.06-13,320.72-6,117.76

Finding the Fourth Proportional to 9,655.06, 13,320.72 and 6,117.76

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Solution

The fourth proportional to 9,655.06, 13,320.72 and 6,117.76 is: 8,440.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655.06 : 13,320.72 = 6,117.76 : x
  2. Step 2: Convert to fraction form
    9,655.06/13,320.72 = 6,117.76/x
  3. Step 3: Cross multiply
    9,655.06x = 13,320.72 × 6,117.76
  4. Step 4: Simplify right side
    9,655.06x = 81,492,967.99
  5. Step 5: Solve for x
    x = 81,492,967.99/9,655.06
  6. Step 6: Final answer
    x = 8,440.44

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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.