Home / 19,307.61-26,646.35-11,752.29

Finding the Fourth Proportional to 19,307.61, 26,646.35 and 11,752.29

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Solution

The fourth proportional to 19,307.61, 26,646.35 and 11,752.29 is: 16,219.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307.61 : 26,646.35 = 11,752.29 : x
  2. Step 2: Convert to fraction form
    19,307.61/26,646.35 = 11,752.29/x
  3. Step 3: Cross multiply
    19,307.61x = 26,646.35 × 11,752.29
  4. Step 4: Simplify right side
    19,307.61x = 313,155,573.88
  5. Step 5: Solve for x
    x = 313,155,573.88/19,307.61
  6. Step 6: Final answer
    x = 16,219.28

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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.