Home / 14,987.48-22,370.06-12,977.19

Finding the Fourth Proportional to 14,987.48, 22,370.06 and 12,977.19

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Solution

The fourth proportional to 14,987.48, 22,370.06 and 12,977.19 is: 19,369.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.48 : 22,370.06 = 12,977.19 : x
  2. Step 2: Convert to fraction form
    14,987.48/22,370.06 = 12,977.19/x
  3. Step 3: Cross multiply
    14,987.48x = 22,370.06 × 12,977.19
  4. Step 4: Simplify right side
    14,987.48x = 290,300,551.37
  5. Step 5: Solve for x
    x = 290,300,551.37/14,987.48
  6. Step 6: Final answer
    x = 19,369.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.