Home / 16,688.52-23,030.58-9,135.26

Finding the Fourth Proportional to 16,688.52, 23,030.58 and 9,135.26

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Solution

The fourth proportional to 16,688.52, 23,030.58 and 9,135.26 is: 12,606.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688.52 : 23,030.58 = 9,135.26 : x
  2. Step 2: Convert to fraction form
    16,688.52/23,030.58 = 9,135.26/x
  3. Step 3: Cross multiply
    16,688.52x = 23,030.58 × 9,135.26
  4. Step 4: Simplify right side
    16,688.52x = 210,390,336.25
  5. Step 5: Solve for x
    x = 210,390,336.25/16,688.52
  6. Step 6: Final answer
    x = 12,606.89

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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.