Home / 14,283.66-19,713.57-8,621.67

Finding the Fourth Proportional to 14,283.66, 19,713.57 and 8,621.67

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Solution

The fourth proportional to 14,283.66, 19,713.57 and 8,621.67 is: 11,899.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.66 : 19,713.57 = 8,621.67 : x
  2. Step 2: Convert to fraction form
    14,283.66/19,713.57 = 8,621.67/x
  3. Step 3: Cross multiply
    14,283.66x = 19,713.57 × 8,621.67
  4. Step 4: Simplify right side
    14,283.66x = 169,963,895.06
  5. Step 5: Solve for x
    x = 169,963,895.06/14,283.66
  6. Step 6: Final answer
    x = 11,899.18

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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.