Home / 15,485.09-23,108.95-13,824.32

Finding the Fourth Proportional to 15,485.09, 23,108.95 and 13,824.32

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Solution

The fourth proportional to 15,485.09, 23,108.95 and 13,824.32 is: 20,630.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485.09 : 23,108.95 = 13,824.32 : x
  2. Step 2: Convert to fraction form
    15,485.09/23,108.95 = 13,824.32/x
  3. Step 3: Cross multiply
    15,485.09x = 23,108.95 × 13,824.32
  4. Step 4: Simplify right side
    15,485.09x = 319,465,421.40
  5. Step 5: Solve for x
    x = 319,465,421.40/15,485.09
  6. Step 6: Final answer
    x = 20,630.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.