Home / 14,720.02-20,299.62-9,688.50

Finding the Fourth Proportional to 14,720.02, 20,299.62 and 9,688.50

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Solution

The fourth proportional to 14,720.02, 20,299.62 and 9,688.50 is: 13,360.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.02 : 20,299.62 = 9,688.50 : x
  2. Step 2: Convert to fraction form
    14,720.02/20,299.62 = 9,688.50/x
  3. Step 3: Cross multiply
    14,720.02x = 20,299.62 × 9,688.50
  4. Step 4: Simplify right side
    14,720.02x = 196,672,868.37
  5. Step 5: Solve for x
    x = 196,672,868.37/14,720.02
  6. Step 6: Final answer
    x = 13,360.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.