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Finding the Fourth Proportional to 19,341.70, 26,693.76 and 10,846.12

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Solution

The fourth proportional to 19,341.70, 26,693.76 and 10,846.12 is: 14,968.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.70 : 26,693.76 = 10,846.12 : x
  2. Step 2: Convert to fraction form
    19,341.70/26,693.76 = 10,846.12/x
  3. Step 3: Cross multiply
    19,341.70x = 26,693.76 × 10,846.12
  4. Step 4: Simplify right side
    19,341.70x = 289,523,698.15
  5. Step 5: Solve for x
    x = 289,523,698.15/19,341.70
  6. Step 6: Final answer
    x = 14,968.88

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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.