Home / 12,888.74-19,328.37-4,453.10

Finding the Fourth Proportional to 12,888.74, 19,328.37 and 4,453.10

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Solution

The fourth proportional to 12,888.74, 19,328.37 and 4,453.10 is: 6,678.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888.74 : 19,328.37 = 4,453.10 : x
  2. Step 2: Convert to fraction form
    12,888.74/19,328.37 = 4,453.10/x
  3. Step 3: Cross multiply
    12,888.74x = 19,328.37 × 4,453.10
  4. Step 4: Simplify right side
    12,888.74x = 86,071,045.54
  5. Step 5: Solve for x
    x = 86,071,045.54/12,888.74
  6. Step 6: Final answer
    x = 6,678.00

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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.