Home / 19,669.50-29,501.28-6,520.23

Finding the Fourth Proportional to 19,669.50, 29,501.28 and 6,520.23

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Solution

The fourth proportional to 19,669.50, 29,501.28 and 6,520.23 is: 9,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.50 : 29,501.28 = 6,520.23 : x
  2. Step 2: Convert to fraction form
    19,669.50/29,501.28 = 6,520.23/x
  3. Step 3: Cross multiply
    19,669.50x = 29,501.28 × 6,520.23
  4. Step 4: Simplify right side
    19,669.50x = 192,355,130.89
  5. Step 5: Solve for x
    x = 192,355,130.89/19,669.50
  6. Step 6: Final answer
    x = 9,779.36

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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.