Home / 14,478.81-19,977.66-10,897.53

Finding the Fourth Proportional to 14,478.81, 19,977.66 and 10,897.53

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Solution

The fourth proportional to 14,478.81, 19,977.66 and 10,897.53 is: 15,036.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478.81 : 19,977.66 = 10,897.53 : x
  2. Step 2: Convert to fraction form
    14,478.81/19,977.66 = 10,897.53/x
  3. Step 3: Cross multiply
    14,478.81x = 19,977.66 × 10,897.53
  4. Step 4: Simplify right side
    14,478.81x = 217,707,149.18
  5. Step 5: Solve for x
    x = 217,707,149.18/14,478.81
  6. Step 6: Final answer
    x = 15,036.26

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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.