Home / 19,484.75-26,887.95-10,986.64

Finding the Fourth Proportional to 19,484.75, 26,887.95 and 10,986.64

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Solution

The fourth proportional to 19,484.75, 26,887.95 and 10,986.64 is: 15,160.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.75 : 26,887.95 = 10,986.64 : x
  2. Step 2: Convert to fraction form
    19,484.75/26,887.95 = 10,986.64/x
  3. Step 3: Cross multiply
    19,484.75x = 26,887.95 × 10,986.64
  4. Step 4: Simplify right side
    19,484.75x = 295,408,159.77
  5. Step 5: Solve for x
    x = 295,408,159.77/19,484.75
  6. Step 6: Final answer
    x = 15,160.99

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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.