Home / 15,298.40-21,089.45-10,814.24

Finding the Fourth Proportional to 15,298.40, 21,089.45 and 10,814.24

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Solution

The fourth proportional to 15,298.40, 21,089.45 and 10,814.24 is: 14,907.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,298.40 : 21,089.45 = 10,814.24 : x
  2. Step 2: Convert to fraction form
    15,298.40/21,089.45 = 10,814.24/x
  3. Step 3: Cross multiply
    15,298.40x = 21,089.45 × 10,814.24
  4. Step 4: Simplify right side
    15,298.40x = 228,066,373.77
  5. Step 5: Solve for x
    x = 228,066,373.77/15,298.40
  6. Step 6: Final answer
    x = 14,907.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.