Home / 14,038.24-21,010.80-10,079.20

Finding the Fourth Proportional to 14,038.24, 21,010.80 and 10,079.20

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Solution

The fourth proportional to 14,038.24, 21,010.80 and 10,079.20 is: 15,085.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.24 : 21,010.80 = 10,079.20 : x
  2. Step 2: Convert to fraction form
    14,038.24/21,010.80 = 10,079.20/x
  3. Step 3: Cross multiply
    14,038.24x = 21,010.80 × 10,079.20
  4. Step 4: Simplify right side
    14,038.24x = 211,772,055.36
  5. Step 5: Solve for x
    x = 211,772,055.36/14,038.24
  6. Step 6: Final answer
    x = 15,085.37

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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.