Home / 14,890.60-22,328.70-8,309.80

Finding the Fourth Proportional to 14,890.60, 22,328.70 and 8,309.80

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Solution

The fourth proportional to 14,890.60, 22,328.70 and 8,309.80 is: 12,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.60 : 22,328.70 = 8,309.80 : x
  2. Step 2: Convert to fraction form
    14,890.60/22,328.70 = 8,309.80/x
  3. Step 3: Cross multiply
    14,890.60x = 22,328.70 × 8,309.80
  4. Step 4: Simplify right side
    14,890.60x = 185,547,031.26
  5. Step 5: Solve for x
    x = 185,547,031.26/14,890.60
  6. Step 6: Final answer
    x = 12,460.68

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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.