Home / 10,303.12-14,218.50-6,113.80

Finding the Fourth Proportional to 10,303.12, 14,218.50 and 6,113.80

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Solution

The fourth proportional to 10,303.12, 14,218.50 and 6,113.80 is: 8,437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.12 : 14,218.50 = 6,113.80 : x
  2. Step 2: Convert to fraction form
    10,303.12/14,218.50 = 6,113.80/x
  3. Step 3: Cross multiply
    10,303.12x = 14,218.50 × 6,113.80
  4. Step 4: Simplify right side
    10,303.12x = 86,929,065.30
  5. Step 5: Solve for x
    x = 86,929,065.30/10,303.12
  6. Step 6: Final answer
    x = 8,437.16

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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.