Home / 23,158.99-31,955.95-13,087.35

Finding the Fourth Proportional to 23,158.99, 31,955.95 and 13,087.35

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Solution

The fourth proportional to 23,158.99, 31,955.95 and 13,087.35 is: 18,058.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,158.99 : 31,955.95 = 13,087.35 : x
  2. Step 2: Convert to fraction form
    23,158.99/31,955.95 = 13,087.35/x
  3. Step 3: Cross multiply
    23,158.99x = 31,955.95 × 13,087.35
  4. Step 4: Simplify right side
    23,158.99x = 418,218,598.76
  5. Step 5: Solve for x
    x = 418,218,598.76/23,158.99
  6. Step 6: Final answer
    x = 18,058.59

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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.