Home / 19,329.68-26,674.95-10,831.87

Finding the Fourth Proportional to 19,329.68, 26,674.95 and 10,831.87

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Solution

The fourth proportional to 19,329.68, 26,674.95 and 10,831.87 is: 14,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.68 : 26,674.95 = 10,831.87 : x
  2. Step 2: Convert to fraction form
    19,329.68/26,674.95 = 10,831.87/x
  3. Step 3: Cross multiply
    19,329.68x = 26,674.95 × 10,831.87
  4. Step 4: Simplify right side
    19,329.68x = 288,939,590.66
  5. Step 5: Solve for x
    x = 288,939,590.66/19,329.68
  6. Step 6: Final answer
    x = 14,947.98

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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.