Home / 15,461.36-21,332.96-10,434.88

Finding the Fourth Proportional to 15,461.36, 21,332.96 and 10,434.88

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Solution

The fourth proportional to 15,461.36, 21,332.96 and 10,434.88 is: 14,397.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.36 : 21,332.96 = 10,434.88 : x
  2. Step 2: Convert to fraction form
    15,461.36/21,332.96 = 10,434.88/x
  3. Step 3: Cross multiply
    15,461.36x = 21,332.96 × 10,434.88
  4. Step 4: Simplify right side
    15,461.36x = 222,606,877.64
  5. Step 5: Solve for x
    x = 222,606,877.64/15,461.36
  6. Step 6: Final answer
    x = 14,397.63

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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.