Home / 14,980.51-22,356.83-13,319.81

Finding the Fourth Proportional to 14,980.51, 22,356.83 and 13,319.81

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Solution

The fourth proportional to 14,980.51, 22,356.83 and 13,319.81 is: 19,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.51 : 22,356.83 = 13,319.81 : x
  2. Step 2: Convert to fraction form
    14,980.51/22,356.83 = 13,319.81/x
  3. Step 3: Cross multiply
    14,980.51x = 22,356.83 × 13,319.81
  4. Step 4: Simplify right side
    14,980.51x = 297,788,649.32
  5. Step 5: Solve for x
    x = 297,788,649.32/14,980.51
  6. Step 6: Final answer
    x = 19,878.41

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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.