Home / 14,303.78-21,458.76-5,870.30

Finding the Fourth Proportional to 14,303.78, 21,458.76 and 5,870.30

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Solution

The fourth proportional to 14,303.78, 21,458.76 and 5,870.30 is: 8,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.78 : 21,458.76 = 5,870.30 : x
  2. Step 2: Convert to fraction form
    14,303.78/21,458.76 = 5,870.30/x
  3. Step 3: Cross multiply
    14,303.78x = 21,458.76 × 5,870.30
  4. Step 4: Simplify right side
    14,303.78x = 125,969,329.48
  5. Step 5: Solve for x
    x = 125,969,329.48/14,303.78
  6. Step 6: Final answer
    x = 8,806.72

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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.