Home / 14,280.08-21,405.27-5,521.01

Finding the Fourth Proportional to 14,280.08, 21,405.27 and 5,521.01

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Solution

The fourth proportional to 14,280.08, 21,405.27 and 5,521.01 is: 8,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.08 : 21,405.27 = 5,521.01 : x
  2. Step 2: Convert to fraction form
    14,280.08/21,405.27 = 5,521.01/x
  3. Step 3: Cross multiply
    14,280.08x = 21,405.27 × 5,521.01
  4. Step 4: Simplify right side
    14,280.08x = 118,178,709.72
  5. Step 5: Solve for x
    x = 118,178,709.72/14,280.08
  6. Step 6: Final answer
    x = 8,275.77

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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.