Home / 13,487.04-20,217.48-6,916.32

Finding the Fourth Proportional to 13,487.04, 20,217.48 and 6,916.32

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Solution

The fourth proportional to 13,487.04, 20,217.48 and 6,916.32 is: 10,367.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.04 : 20,217.48 = 6,916.32 : x
  2. Step 2: Convert to fraction form
    13,487.04/20,217.48 = 6,916.32/x
  3. Step 3: Cross multiply
    13,487.04x = 20,217.48 × 6,916.32
  4. Step 4: Simplify right side
    13,487.04x = 139,830,561.27
  5. Step 5: Solve for x
    x = 139,830,561.27/13,487.04
  6. Step 6: Final answer
    x = 10,367.77

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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.