Home / 13,389.21-20,064.58-7,533.45

Finding the Fourth Proportional to 13,389.21, 20,064.58 and 7,533.45

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Solution

The fourth proportional to 13,389.21, 20,064.58 and 7,533.45 is: 11,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.21 : 20,064.58 = 7,533.45 : x
  2. Step 2: Convert to fraction form
    13,389.21/20,064.58 = 7,533.45/x
  3. Step 3: Cross multiply
    13,389.21x = 20,064.58 × 7,533.45
  4. Step 4: Simplify right side
    13,389.21x = 151,155,510.20
  5. Step 5: Solve for x
    x = 151,155,510.20/13,389.21
  6. Step 6: Final answer
    x = 11,289.35

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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.