Home / 14,624.32-21,946.16-5,390.32

Finding the Fourth Proportional to 14,624.32, 21,946.16 and 5,390.32

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Solution

The fourth proportional to 14,624.32, 21,946.16 and 5,390.32 is: 8,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,624.32 : 21,946.16 = 5,390.32 : x
  2. Step 2: Convert to fraction form
    14,624.32/21,946.16 = 5,390.32/x
  3. Step 3: Cross multiply
    14,624.32x = 21,946.16 × 5,390.32
  4. Step 4: Simplify right side
    14,624.32x = 118,296,825.17
  5. Step 5: Solve for x
    x = 118,296,825.17/14,624.32
  6. Step 6: Final answer
    x = 8,089.05

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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.