Home / 13,478.04-20,204.10-6,907.32

Finding the Fourth Proportional to 13,478.04, 20,204.10 and 6,907.32

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Solution

The fourth proportional to 13,478.04, 20,204.10 and 6,907.32 is: 10,354.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478.04 : 20,204.10 = 6,907.32 : x
  2. Step 2: Convert to fraction form
    13,478.04/20,204.10 = 6,907.32/x
  3. Step 3: Cross multiply
    13,478.04x = 20,204.10 × 6,907.32
  4. Step 4: Simplify right side
    13,478.04x = 139,556,184.01
  5. Step 5: Solve for x
    x = 139,556,184.01/13,478.04
  6. Step 6: Final answer
    x = 10,354.34

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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.