Home / 16,929.48-25,403.66-6,406.50

Finding the Fourth Proportional to 16,929.48, 25,403.66 and 6,406.50

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Solution

The fourth proportional to 16,929.48, 25,403.66 and 6,406.50 is: 9,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.48 : 25,403.66 = 6,406.50 : x
  2. Step 2: Convert to fraction form
    16,929.48/25,403.66 = 6,406.50/x
  3. Step 3: Cross multiply
    16,929.48x = 25,403.66 × 6,406.50
  4. Step 4: Simplify right side
    16,929.48x = 162,748,547.79
  5. Step 5: Solve for x
    x = 162,748,547.79/16,929.48
  6. Step 6: Final answer
    x = 9,613.32

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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.