Home / 13,720.01-20,558.38-10,607.63

Finding the Fourth Proportional to 13,720.01, 20,558.38 and 10,607.63

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Solution

The fourth proportional to 13,720.01, 20,558.38 and 10,607.63 is: 15,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720.01 : 20,558.38 = 10,607.63 : x
  2. Step 2: Convert to fraction form
    13,720.01/20,558.38 = 10,607.63/x
  3. Step 3: Cross multiply
    13,720.01x = 20,558.38 × 10,607.63
  4. Step 4: Simplify right side
    13,720.01x = 218,075,688.44
  5. Step 5: Solve for x
    x = 218,075,688.44/13,720.01
  6. Step 6: Final answer
    x = 15,894.72

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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.