Home / 15,678.48-23,509.44-6,909.24

Finding the Fourth Proportional to 15,678.48, 23,509.44 and 6,909.24

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Solution

The fourth proportional to 15,678.48, 23,509.44 and 6,909.24 is: 10,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.48 : 23,509.44 = 6,909.24 : x
  2. Step 2: Convert to fraction form
    15,678.48/23,509.44 = 6,909.24/x
  3. Step 3: Cross multiply
    15,678.48x = 23,509.44 × 6,909.24
  4. Step 4: Simplify right side
    15,678.48x = 162,432,363.23
  5. Step 5: Solve for x
    x = 162,432,363.23/15,678.48
  6. Step 6: Final answer
    x = 10,360.21

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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.