Home / 19,413.63-26,790.81-11,030.13

Finding the Fourth Proportional to 19,413.63, 26,790.81 and 11,030.13

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Solution

The fourth proportional to 19,413.63, 26,790.81 and 11,030.13 is: 15,221.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.63 : 26,790.81 = 11,030.13 : x
  2. Step 2: Convert to fraction form
    19,413.63/26,790.81 = 11,030.13/x
  3. Step 3: Cross multiply
    19,413.63x = 26,790.81 × 11,030.13
  4. Step 4: Simplify right side
    19,413.63x = 295,506,117.11
  5. Step 5: Solve for x
    x = 295,506,117.11/19,413.63
  6. Step 6: Final answer
    x = 15,221.58

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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.