Home / 13,807.90-20,700.51-5,484.34

Finding the Fourth Proportional to 13,807.90, 20,700.51 and 5,484.34

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Solution

The fourth proportional to 13,807.90, 20,700.51 and 5,484.34 is: 8,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.90 : 20,700.51 = 5,484.34 : x
  2. Step 2: Convert to fraction form
    13,807.90/20,700.51 = 5,484.34/x
  3. Step 3: Cross multiply
    13,807.90x = 20,700.51 × 5,484.34
  4. Step 4: Simplify right side
    13,807.90x = 113,528,635.01
  5. Step 5: Solve for x
    x = 113,528,635.01/13,807.90
  6. Step 6: Final answer
    x = 8,222.01

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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.