Home / 16,688.69-25,032.80-4,208.63

Finding the Fourth Proportional to 16,688.69, 25,032.80 and 4,208.63

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Solution

The fourth proportional to 16,688.69, 25,032.80 and 4,208.63 is: 6,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688.69 : 25,032.80 = 4,208.63 : x
  2. Step 2: Convert to fraction form
    16,688.69/25,032.80 = 4,208.63/x
  3. Step 3: Cross multiply
    16,688.69x = 25,032.80 × 4,208.63
  4. Step 4: Simplify right side
    16,688.69x = 105,353,834.60
  5. Step 5: Solve for x
    x = 105,353,834.60/16,688.69
  6. Step 6: Final answer
    x = 6,312.89

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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.