Home / 14,298.12-21,423.48-10,117.42

Finding the Fourth Proportional to 14,298.12, 21,423.48 and 10,117.42

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Solution

The fourth proportional to 14,298.12, 21,423.48 and 10,117.42 is: 15,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.12 : 21,423.48 = 10,117.42 : x
  2. Step 2: Convert to fraction form
    14,298.12/21,423.48 = 10,117.42/x
  3. Step 3: Cross multiply
    14,298.12x = 21,423.48 × 10,117.42
  4. Step 4: Simplify right side
    14,298.12x = 216,750,345.02
  5. Step 5: Solve for x
    x = 216,750,345.02/14,298.12
  6. Step 6: Final answer
    x = 15,159.36

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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.