Home / 15,328.12-22,970.90-6,987.74

Finding the Fourth Proportional to 15,328.12, 22,970.90 and 6,987.74

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Solution

The fourth proportional to 15,328.12, 22,970.90 and 6,987.74 is: 10,471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328.12 : 22,970.90 = 6,987.74 : x
  2. Step 2: Convert to fraction form
    15,328.12/22,970.90 = 6,987.74/x
  3. Step 3: Cross multiply
    15,328.12x = 22,970.90 × 6,987.74
  4. Step 4: Simplify right side
    15,328.12x = 160,514,676.77
  5. Step 5: Solve for x
    x = 160,514,676.77/15,328.12
  6. Step 6: Final answer
    x = 10,471.91

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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.