Home / 19,368.05-26,730.52-10,870.64

Finding the Fourth Proportional to 19,368.05, 26,730.52 and 10,870.64

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Solution

The fourth proportional to 19,368.05, 26,730.52 and 10,870.64 is: 15,002.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.05 : 26,730.52 = 10,870.64 : x
  2. Step 2: Convert to fraction form
    19,368.05/26,730.52 = 10,870.64/x
  3. Step 3: Cross multiply
    19,368.05x = 26,730.52 × 10,870.64
  4. Step 4: Simplify right side
    19,368.05x = 290,577,840.11
  5. Step 5: Solve for x
    x = 290,577,840.11/19,368.05
  6. Step 6: Final answer
    x = 15,002.95

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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.