Home / 11,320.17-15,621.14-6,284.10

Finding the Fourth Proportional to 11,320.17, 15,621.14 and 6,284.10

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Solution

The fourth proportional to 11,320.17, 15,621.14 and 6,284.10 is: 8,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.17 : 15,621.14 = 6,284.10 : x
  2. Step 2: Convert to fraction form
    11,320.17/15,621.14 = 6,284.10/x
  3. Step 3: Cross multiply
    11,320.17x = 15,621.14 × 6,284.10
  4. Step 4: Simplify right side
    11,320.17x = 98,164,774.45
  5. Step 5: Solve for x
    x = 98,164,774.45/11,320.17
  6. Step 6: Final answer
    x = 8,671.67

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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.