Home / 19,125.84-26,393.52-10,742.40

Finding the Fourth Proportional to 19,125.84, 26,393.52 and 10,742.40

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Solution

The fourth proportional to 19,125.84, 26,393.52 and 10,742.40 is: 14,824.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.84 : 26,393.52 = 10,742.40 : x
  2. Step 2: Convert to fraction form
    19,125.84/26,393.52 = 10,742.40/x
  3. Step 3: Cross multiply
    19,125.84x = 26,393.52 × 10,742.40
  4. Step 4: Simplify right side
    19,125.84x = 283,529,749.25
  5. Step 5: Solve for x
    x = 283,529,749.25/19,125.84
  6. Step 6: Final answer
    x = 14,824.43

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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.