Home / 15,632.30-21,567.30-8,916.86

Finding the Fourth Proportional to 15,632.30, 21,567.30 and 8,916.86

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Solution

The fourth proportional to 15,632.30, 21,567.30 and 8,916.86 is: 12,302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.30 : 21,567.30 = 8,916.86 : x
  2. Step 2: Convert to fraction form
    15,632.30/21,567.30 = 8,916.86/x
  3. Step 3: Cross multiply
    15,632.30x = 21,567.30 × 8,916.86
  4. Step 4: Simplify right side
    15,632.30x = 192,312,594.68
  5. Step 5: Solve for x
    x = 192,312,594.68/15,632.30
  6. Step 6: Final answer
    x = 12,302.26

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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.