Home / 13,311.02-19,966.62-5,913.50

Finding the Fourth Proportional to 13,311.02, 19,966.62 and 5,913.50

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Solution

The fourth proportional to 13,311.02, 19,966.62 and 5,913.50 is: 8,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311.02 : 19,966.62 = 5,913.50 : x
  2. Step 2: Convert to fraction form
    13,311.02/19,966.62 = 5,913.50/x
  3. Step 3: Cross multiply
    13,311.02x = 19,966.62 × 5,913.50
  4. Step 4: Simplify right side
    13,311.02x = 118,072,607.37
  5. Step 5: Solve for x
    x = 118,072,607.37/13,311.02
  6. Step 6: Final answer
    x = 8,870.29

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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.