Home / 12,736.84-19,095.67-5,343.40

Finding the Fourth Proportional to 12,736.84, 19,095.67 and 5,343.40

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Solution

The fourth proportional to 12,736.84, 19,095.67 and 5,343.40 is: 8,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.84 : 19,095.67 = 5,343.40 : x
  2. Step 2: Convert to fraction form
    12,736.84/19,095.67 = 5,343.40/x
  3. Step 3: Cross multiply
    12,736.84x = 19,095.67 × 5,343.40
  4. Step 4: Simplify right side
    12,736.84x = 102,035,803.08
  5. Step 5: Solve for x
    x = 102,035,803.08/12,736.84
  6. Step 6: Final answer
    x = 8,011.08

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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.