Home / 19,346.40-26,699.76-11,384.64

Finding the Fourth Proportional to 19,346.40, 26,699.76 and 11,384.64

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Solution

The fourth proportional to 19,346.40, 26,699.76 and 11,384.64 is: 15,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.40 : 26,699.76 = 11,384.64 : x
  2. Step 2: Convert to fraction form
    19,346.40/26,699.76 = 11,384.64/x
  3. Step 3: Cross multiply
    19,346.40x = 26,699.76 × 11,384.64
  4. Step 4: Simplify right side
    19,346.40x = 303,967,155.69
  5. Step 5: Solve for x
    x = 303,967,155.69/19,346.40
  6. Step 6: Final answer
    x = 15,711.82

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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.