Home / 19,109.70-26,370.63-10,612.26

Finding the Fourth Proportional to 19,109.70, 26,370.63 and 10,612.26

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Solution

The fourth proportional to 19,109.70, 26,370.63 and 10,612.26 is: 14,644.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.70 : 26,370.63 = 10,612.26 : x
  2. Step 2: Convert to fraction form
    19,109.70/26,370.63 = 10,612.26/x
  3. Step 3: Cross multiply
    19,109.70x = 26,370.63 × 10,612.26
  4. Step 4: Simplify right side
    19,109.70x = 279,851,981.92
  5. Step 5: Solve for x
    x = 279,851,981.92/19,109.70
  6. Step 6: Final answer
    x = 14,644.50

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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.