Home / 19,123-26,389.74-10,739.68

Finding the Fourth Proportional to 19,123, 26,389.74 and 10,739.68

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Solution

The fourth proportional to 19,123, 26,389.74 and 10,739.68 is: 14,820.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123 : 26,389.74 = 10,739.68 : x
  2. Step 2: Convert to fraction form
    19,123/26,389.74 = 10,739.68/x
  3. Step 3: Cross multiply
    19,123x = 26,389.74 × 10,739.68
  4. Step 4: Simplify right side
    19,123x = 283,417,362.88
  5. Step 5: Solve for x
    x = 283,417,362.88/19,123
  6. Step 6: Final answer
    x = 14,820.76

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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.