Home / 14,311.84-21,460.08-6,513.76

Finding the Fourth Proportional to 14,311.84, 21,460.08 and 6,513.76

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Solution

The fourth proportional to 14,311.84, 21,460.08 and 6,513.76 is: 9,767.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.84 : 21,460.08 = 6,513.76 : x
  2. Step 2: Convert to fraction form
    14,311.84/21,460.08 = 6,513.76/x
  3. Step 3: Cross multiply
    14,311.84x = 21,460.08 × 6,513.76
  4. Step 4: Simplify right side
    14,311.84x = 139,785,810.70
  5. Step 5: Solve for x
    x = 139,785,810.70/14,311.84
  6. Step 6: Final answer
    x = 9,767.14

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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.