Home / 13,000.65-19,503.41-5,210.07

Finding the Fourth Proportional to 13,000.65, 19,503.41 and 5,210.07

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Solution

The fourth proportional to 13,000.65, 19,503.41 and 5,210.07 is: 7,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.65 : 19,503.41 = 5,210.07 : x
  2. Step 2: Convert to fraction form
    13,000.65/19,503.41 = 5,210.07/x
  3. Step 3: Cross multiply
    13,000.65x = 19,503.41 × 5,210.07
  4. Step 4: Simplify right side
    13,000.65x = 101,614,032.15
  5. Step 5: Solve for x
    x = 101,614,032.15/13,000.65
  6. Step 6: Final answer
    x = 7,816.08

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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.