Home / 13,370.78-20,054.95-10,483.94

Finding the Fourth Proportional to 13,370.78, 20,054.95 and 10,483.94

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Solution

The fourth proportional to 13,370.78, 20,054.95 and 10,483.94 is: 15,724.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.78 : 20,054.95 = 10,483.94 : x
  2. Step 2: Convert to fraction form
    13,370.78/20,054.95 = 10,483.94/x
  3. Step 3: Cross multiply
    13,370.78x = 20,054.95 × 10,483.94
  4. Step 4: Simplify right side
    13,370.78x = 210,254,892.50
  5. Step 5: Solve for x
    x = 210,254,892.50/13,370.78
  6. Step 6: Final answer
    x = 15,724.95

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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.