Home / 19,289.81-26,612.10-12,573.08

Finding the Fourth Proportional to 19,289.81, 26,612.10 and 12,573.08

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Solution

The fourth proportional to 19,289.81, 26,612.10 and 12,573.08 is: 17,345.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.81 : 26,612.10 = 12,573.08 : x
  2. Step 2: Convert to fraction form
    19,289.81/26,612.10 = 12,573.08/x
  3. Step 3: Cross multiply
    19,289.81x = 26,612.10 × 12,573.08
  4. Step 4: Simplify right side
    19,289.81x = 334,596,062.27
  5. Step 5: Solve for x
    x = 334,596,062.27/19,289.81
  6. Step 6: Final answer
    x = 17,345.74

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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.