Home / 12,803.59-19,210.85-4,908.45

Finding the Fourth Proportional to 12,803.59, 19,210.85 and 4,908.45

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Solution

The fourth proportional to 12,803.59, 19,210.85 and 4,908.45 is: 7,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803.59 : 19,210.85 = 4,908.45 : x
  2. Step 2: Convert to fraction form
    12,803.59/19,210.85 = 4,908.45/x
  3. Step 3: Cross multiply
    12,803.59x = 19,210.85 × 4,908.45
  4. Step 4: Simplify right side
    12,803.59x = 94,295,496.68
  5. Step 5: Solve for x
    x = 94,295,496.68/12,803.59
  6. Step 6: Final answer
    x = 7,364.77

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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.