Home / 12,355.77-18,533.95-4,458.95

Finding the Fourth Proportional to 12,355.77, 18,533.95 and 4,458.95

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Solution

The fourth proportional to 12,355.77, 18,533.95 and 4,458.95 is: 6,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.77 : 18,533.95 = 4,458.95 : x
  2. Step 2: Convert to fraction form
    12,355.77/18,533.95 = 4,458.95/x
  3. Step 3: Cross multiply
    12,355.77x = 18,533.95 × 4,458.95
  4. Step 4: Simplify right side
    12,355.77x = 82,641,956.35
  5. Step 5: Solve for x
    x = 82,641,956.35/12,355.77
  6. Step 6: Final answer
    x = 6,688.53

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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.