Home / 14,547.48-21,820.68-4,159.20

Finding the Fourth Proportional to 14,547.48, 21,820.68 and 4,159.20

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Solution

The fourth proportional to 14,547.48, 21,820.68 and 4,159.20 is: 6,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,547.48 : 21,820.68 = 4,159.20 : x
  2. Step 2: Convert to fraction form
    14,547.48/21,820.68 = 4,159.20/x
  3. Step 3: Cross multiply
    14,547.48x = 21,820.68 × 4,159.20
  4. Step 4: Simplify right side
    14,547.48x = 90,756,572.26
  5. Step 5: Solve for x
    x = 90,756,572.26/14,547.48
  6. Step 6: Final answer
    x = 6,238.65

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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.