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Finding the Fourth Proportional to 19,091, 26,345.58 and 10,710.20

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Solution

The fourth proportional to 19,091, 26,345.58 and 10,710.20 is: 14,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091 : 26,345.58 = 10,710.20 : x
  2. Step 2: Convert to fraction form
    19,091/26,345.58 = 10,710.20/x
  3. Step 3: Cross multiply
    19,091x = 26,345.58 × 10,710.20
  4. Step 4: Simplify right side
    19,091x = 282,166,430.92
  5. Step 5: Solve for x
    x = 282,166,430.92/19,091
  6. Step 6: Final answer
    x = 14,780.08

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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.