Home / 14,340.94-21,510.64-4,479.08

Finding the Fourth Proportional to 14,340.94, 21,510.64 and 4,479.08

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Solution

The fourth proportional to 14,340.94, 21,510.64 and 4,479.08 is: 6,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.94 : 21,510.64 = 4,479.08 : x
  2. Step 2: Convert to fraction form
    14,340.94/21,510.64 = 4,479.08/x
  3. Step 3: Cross multiply
    14,340.94x = 21,510.64 × 4,479.08
  4. Step 4: Simplify right side
    14,340.94x = 96,347,877.41
  5. Step 5: Solve for x
    x = 96,347,877.41/14,340.94
  6. Step 6: Final answer
    x = 6,718.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.