Home / 16,403.34-22,636.48-9,329.76

Finding the Fourth Proportional to 16,403.34, 22,636.48 and 9,329.76

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Solution

The fourth proportional to 16,403.34, 22,636.48 and 9,329.76 is: 12,875.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,403.34 : 22,636.48 = 9,329.76 : x
  2. Step 2: Convert to fraction form
    16,403.34/22,636.48 = 9,329.76/x
  3. Step 3: Cross multiply
    16,403.34x = 22,636.48 × 9,329.76
  4. Step 4: Simplify right side
    16,403.34x = 211,192,925.64
  5. Step 5: Solve for x
    x = 211,192,925.64/16,403.34
  6. Step 6: Final answer
    x = 12,875.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.