Home / 13,806.04-20,709.30-4,572.28

Finding the Fourth Proportional to 13,806.04, 20,709.30 and 4,572.28

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Solution

The fourth proportional to 13,806.04, 20,709.30 and 4,572.28 is: 6,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.04 : 20,709.30 = 4,572.28 : x
  2. Step 2: Convert to fraction form
    13,806.04/20,709.30 = 4,572.28/x
  3. Step 3: Cross multiply
    13,806.04x = 20,709.30 × 4,572.28
  4. Step 4: Simplify right side
    13,806.04x = 94,688,718.20
  5. Step 5: Solve for x
    x = 94,688,718.20/13,806.04
  6. Step 6: Final answer
    x = 6,858.50

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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.