Home / 13,333.61-18,402.59-10,157.40

Finding the Fourth Proportional to 13,333.61, 18,402.59 and 10,157.40

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Solution

The fourth proportional to 13,333.61, 18,402.59 and 10,157.40 is: 14,018.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.61 : 18,402.59 = 10,157.40 : x
  2. Step 2: Convert to fraction form
    13,333.61/18,402.59 = 10,157.40/x
  3. Step 3: Cross multiply
    13,333.61x = 18,402.59 × 10,157.40
  4. Step 4: Simplify right side
    13,333.61x = 186,922,493.06
  5. Step 5: Solve for x
    x = 186,922,493.06/13,333.61
  6. Step 6: Final answer
    x = 14,018.89

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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.