Home / 22,328.63-30,813.90-12,258.02

Finding the Fourth Proportional to 22,328.63, 30,813.90 and 12,258.02

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Solution

The fourth proportional to 22,328.63, 30,813.90 and 12,258.02 is: 16,916.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,328.63 : 30,813.90 = 12,258.02 : x
  2. Step 2: Convert to fraction form
    22,328.63/30,813.90 = 12,258.02/x
  3. Step 3: Cross multiply
    22,328.63x = 30,813.90 × 12,258.02
  4. Step 4: Simplify right side
    22,328.63x = 377,717,402.48
  5. Step 5: Solve for x
    x = 377,717,402.48/22,328.63
  6. Step 6: Final answer
    x = 16,916.28

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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.