Home / 14,298.35-21,455.95-5,977.72

Finding the Fourth Proportional to 14,298.35, 21,455.95 and 5,977.72

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Solution

The fourth proportional to 14,298.35, 21,455.95 and 5,977.72 is: 8,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.35 : 21,455.95 = 5,977.72 : x
  2. Step 2: Convert to fraction form
    14,298.35/21,455.95 = 5,977.72/x
  3. Step 3: Cross multiply
    14,298.35x = 21,455.95 × 5,977.72
  4. Step 4: Simplify right side
    14,298.35x = 128,257,661.43
  5. Step 5: Solve for x
    x = 128,257,661.43/14,298.35
  6. Step 6: Final answer
    x = 8,970.10

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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.