Home / 14,029.07-21,038.13-5,259.20

Finding the Fourth Proportional to 14,029.07, 21,038.13 and 5,259.20

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Solution

The fourth proportional to 14,029.07, 21,038.13 and 5,259.20 is: 7,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.07 : 21,038.13 = 5,259.20 : x
  2. Step 2: Convert to fraction form
    14,029.07/21,038.13 = 5,259.20/x
  3. Step 3: Cross multiply
    14,029.07x = 21,038.13 × 5,259.20
  4. Step 4: Simplify right side
    14,029.07x = 110,643,628.11
  5. Step 5: Solve for x
    x = 110,643,628.11/14,029.07
  6. Step 6: Final answer
    x = 7,886.74

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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.