Home / 15,140.48-22,710.72-6,810.76

Finding the Fourth Proportional to 15,140.48, 22,710.72 and 6,810.76

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Solution

The fourth proportional to 15,140.48, 22,710.72 and 6,810.76 is: 10,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.48 : 22,710.72 = 6,810.76 : x
  2. Step 2: Convert to fraction form
    15,140.48/22,710.72 = 6,810.76/x
  3. Step 3: Cross multiply
    15,140.48x = 22,710.72 × 6,810.76
  4. Step 4: Simplify right side
    15,140.48x = 154,677,263.35
  5. Step 5: Solve for x
    x = 154,677,263.35/15,140.48
  6. Step 6: Final answer
    x = 10,216.14

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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.